996311880 has 64 divisors (see below), whose sum is σ = 3321043200. Its totient is φ = 265682880.

The previous prime is 996311863. The next prime is 996311881. The reversal of 996311880 is 88113699.

996311880 is a `hidden beast` number, since 9 + 9 + 631 + 1 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (996311881) 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 15 ways as a sum of consecutive naturals, for example, 460176 + ... + 462335.

It is an arithmetic number, because the mean of its divisors is an integer number (51891300).

Almost surely, 2^996311880 is an apocalyptic number.

996311880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

996311880 is an abundant number, since it is smaller than the sum of its proper divisors (2324731320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996311880 is a wasteful number, since it uses less digits than its factorization.

996311880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922531 (or 922521 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 996311880 is about 31564.4084373523. The cubic root of 996311880 is about 998.7691122035.

The spelling of 996311880 in words is "nine hundred ninety-six million, three hundred eleven thousand, eight hundred eighty".