6396700888900 has 81 divisors (see below), whose sum is σ = 16147547589117. Its totient is φ = 2193093890400.

The previous prime is 6396700888811. The next prime is 6396700888987. The reversal of 6396700888900 is 98880076936.

The square root of 6396700888900 is 2529170.

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

It can be written as a sum of positive squares in only one way, i.e., 2302812320004 + 4093888568896 = 1517502^2 + 2023336^2 .

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, 177023835 + ... + 177059965.

Almost surely, 2^{6396700888900} is an apocalyptic number.

6396700888900 is the 2529170-th square number.

It is an amenable number.

6396700888900 is an abundant number, since it is smaller than the sum of its proper divisors (9750846700217).

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

6396700888900 is an frugal number, since it uses more digits than its factorization.

6396700888900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72290 (or 36145 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

Multiplying 6396700888900 by its sum of digits (64), we get a square (409388856889600 = 20233360²).

The spelling of 6396700888900 in words is "six trillion, three hundred ninety-six billion, seven hundred million, eight hundred eighty-eight thousand, nine hundred".