631080892836 has 81 divisors (see below), whose sum is σ = 1648737363819. Its totient is φ = 203526817200.

The previous prime is 631080892781. The next prime is 631080892879. The reversal of 631080892836 is 638298080136.

It is a happy number.

The square root of 631080892836 is 794406.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×631080892836² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 147757381 + ... + 147761651.

Almost surely, 2^631080892836 is an apocalyptic number.

631080892836 is the 794406-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631080892836

631080892836 is an abundant number, since it is smaller than the sum of its proper divisors (1017656470983).

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

631080892836 is an equidigital number, since it uses as much as digits as its factorization.

631080892836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8614 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 631080892836 in words is "six hundred thirty-one billion, eighty million, eight hundred ninety-two thousand, eight hundred thirty-six".