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98879887 = 731379887
BaseRepresentation
bin1011110010011…
…00100110001111
320220001121201001
411321030212033
5200303124022
613451201131
72310315361
oct571144617
9226047631
1098879887
11508a6a17
12291461a7
1317640a12
14d1bcd31
158a32b27
hex5e4c98f

98879887 has 8 divisors (see below), whose sum is σ = 100976256. Its totient is φ = 96803712.

The previous prime is 98879881. The next prime is 98879923. The reversal of 98879887 is 78897889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98879887 - 223 = 90491279 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 (98879881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (12622032).

Almost surely, 298879887 is an apocalyptic number.

98879887 is a deficient number, since it is larger than the sum of its proper divisors (2096369).

98879887 is a wasteful number, since it uses less digits than its factorization.

98879887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097.

The product of its digits is 16257024, while the sum is 64.

The square root of 98879887 is about 9943.8366338149. The cubic root of 98879887 is about 462.4193374790.

The spelling of 98879887 in words is "ninety-eight million, eight hundred seventy-nine thousand, eight hundred eighty-seven".

Divisors: 1 73 137 9887 10001 721751 1354519 98879887