825725036904 has 32 divisors (see below), whose sum is σ = 2065355820000. Its totient is φ = 275102581952.

The previous prime is 825725036897. The next prime is 825725036909. The reversal of 825725036904 is 409630527528.

It is a happy number.

It is a super-2 number, since 2×825725036904² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (825725036909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8645079 + ... + 8740070.

It is an arithmetic number, because the mean of its divisors is an integer number (64542369375).

Almost surely, 2^825725036904 is an apocalyptic number.

It is an amenable number.

825725036904 is an abundant number, since it is smaller than the sum of its proper divisors (1239630783096).

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

825725036904 is a wasteful number, since it uses less digits than its factorization.

825725036904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387137 (or 17387133 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 825725036904 in words is "eight hundred twenty-five billion, seven hundred twenty-five million, thirty-six thousand, nine hundred four".