631799488785 has 16 divisors (see below), whose sum is σ = 1010954624256. Its totient is φ = 336934579968.

The previous prime is 631799488777. The next prime is 631799488799. The reversal of 631799488785 is 587884997136.

It is not a de Polignac number, because 631799488785 - 2³ = 631799488777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363129 + ... + 1766838.

It is an arithmetic number, because the mean of its divisors is an integer number (63184664016).

Almost surely, 2^631799488785 is an apocalyptic number.

It is an amenable number.

631799488785 is a deficient number, since it is larger than the sum of its proper divisors (379155135471).

631799488785 is a wasteful number, since it uses less digits than its factorization.

631799488785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143432.

The product of its digits is 731566080, while the sum is 75.

The spelling of 631799488785 in words is "six hundred thirty-one billion, seven hundred ninety-nine million, four hundred eighty-eight thousand, seven hundred eighty-five".