788631996 has 24 divisors (see below), whose sum is σ = 1871331840. Its totient is φ = 258421552.

The previous prime is 788631967. The next prime is 788632001. The reversal of 788631996 is 699136887.

788631996 = 3274² + 3275² + ... + 3345².

It is a super-2 number, since 2×788631996² = 1243880850229888032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556236 + ... + 557651.

It is an arithmetic number, because the mean of its divisors is an integer number (77972160).

Almost surely, 2^788631996 is an apocalyptic number.

It is an amenable number.

788631996 is an abundant number, since it is smaller than the sum of its proper divisors (1082699844).

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

788631996 is a wasteful number, since it uses less digits than its factorization.

788631996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113953 (or 1113951 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 788631996 is about 28082.5924016997. The cubic root of 788631996 is about 923.8996395935.

The spelling of 788631996 in words is "seven hundred eighty-eight million, six hundred thirty-one thousand, nine hundred ninety-six".