99977253 has 8 divisors (see below), whose sum is σ = 133532448. Its totient is φ = 66536784.

The previous prime is 99977249. The next prime is 99977291. The reversal of 99977253 is 35277999.

It is a happy number.

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

It is not a de Polignac number, because 99977253 - 2² = 99977249 is a prime.

It is a super-2 number, since 2×99977253² = 19990902234852018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 99977196 and 99977205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99977233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26626 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (16691556).

Almost surely, 2^99977253 is an apocalyptic number.

It is an amenable number.

99977253 is a deficient number, since it is larger than the sum of its proper divisors (33555195).

99977253 is a wasteful number, since it uses less digits than its factorization.

99977253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57363.

The product of its digits is 1071630, while the sum is 51.

The square root of 99977253 is about 9998.8625853144. The cubic root of 99977253 is about 464.1236866187.

The spelling of 99977253 in words is "ninety-nine million, nine hundred seventy-seven thousand, two hundred fifty-three".