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99069877 = 179553463
BaseRepresentation
bin1011110011110…
…10111110110101
320220102021022201
411321322332311
5200330214002
613455224501
72312036314
oct571727665
9226367281
1099069877
1150a16735
1229218131
13176a933a
14d22c27b
158a6e087
hex5e7afb5

99069877 has 4 divisors (see below), whose sum is σ = 99623520. Its totient is φ = 98516236.

The previous prime is 99069869. The next prime is 99069889. The reversal of 99069877 is 77896099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99069877 - 23 = 99069869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99069827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276553 + ... + 276910.

It is an arithmetic number, because the mean of its divisors is an integer number (24905880).

Almost surely, 299069877 is an apocalyptic number.

It is an amenable number.

99069877 is a deficient number, since it is larger than the sum of its proper divisors (553643).

99069877 is a wasteful number, since it uses less digits than its factorization.

99069877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553642.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 99069877 is about 9953.3852030352. The cubic root of 99069877 is about 462.7153155715.

Subtracting from 99069877 its reverse (77896099), we obtain a triangular number (21173778 = T6507).

The spelling of 99069877 in words is "ninety-nine million, sixty-nine thousand, eight hundred seventy-seven".

Divisors: 1 179 553463 99069877