6907716864 has 54 divisors (see below), whose sum is σ = 19916657306. Its totient is φ = 2302571520.

The previous prime is 6907716839. The next prime is 6907716869. The reversal of 6907716864 is 4686177096.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4810809600 + 2096907264 = 69360^2 + 45792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6907716864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6907716869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1496767 + ... + 1501374.

Almost surely, 2^6907716864 is an apocalyptic number.

6907716864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6907716864 is an abundant number, since it is smaller than the sum of its proper divisors (13008940442).

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

6907716864 is a wasteful number, since it uses less digits than its factorization.

6907716864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998163 (or 2998146 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 6907716864 is about 83112.6757119514. The cubic root of 6907716864 is about 1904.4877172543.

The spelling of 6907716864 in words is "six billion, nine hundred seven million, seven hundred sixteen thousand, eight hundred sixty-four".