996258879 has 32 divisors (see below), whose sum is σ = 1840135680. Its totient is φ = 517536000.

The previous prime is 996258853. The next prime is 996258883. The reversal of 996258879 is 978852699.

It is not a de Polignac number, because 996258879 - 2¹³ = 996250687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996258479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237522 + ... + 241679.

It is an arithmetic number, because the mean of its divisors is an integer number (57504240).

Almost surely, 2^996258879 is an apocalyptic number.

996258879 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

996258879 is a deficient number, since it is larger than the sum of its proper divisors (843876801).

996258879 is a wasteful number, since it uses less digits than its factorization.

996258879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479228 (or 479222 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 996258879 is about 31563.5688571492. The cubic root of 996258879 is about 998.7514013168.

The spelling of 996258879 in words is "nine hundred ninety-six million, two hundred fifty-eight thousand, eight hundred seventy-nine".