647696825088 has 72 divisors (see below), whose sum is σ = 1723945844208. Its totient is φ = 215882944512.

The previous prime is 647696825053. The next prime is 647696825093. The reversal of 647696825088 is 880528696746.

647696825088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×647696825088² (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 7 ways as a sum of consecutive naturals, for example, 15121270 + ... + 15164042.

Almost surely, 2^647696825088 is an apocalyptic number.

It is an amenable number.

647696825088 is an abundant number, since it is smaller than the sum of its proper divisors (1076249019120).

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

647696825088 is a wasteful number, since it uses less digits than its factorization.

647696825088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62509 (or 62495 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

It can be divided in two parts, 6476968 and 25088, that added together give a palindrome (6502056).

The spelling of 647696825088 in words is "six hundred forty-seven billion, six hundred ninety-six million, eight hundred twenty-five thousand, eighty-eight".