7860240964 has 27 divisors (see below), whose sum is σ = 13929171543. Its totient is φ = 3881092608.

The previous prime is 7860240923. The next prime is 7860240977. The reversal of 7860240964 is 4690420687.

It is a happy number.

The square root of 7860240964 is 88658.

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

It can be written as a sum of positive squares in 4 ways, for example, as 964599364 + 6895641600 = 31058^2 + 83040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17199424 + ... + 17199880.

Almost surely, 2^7860240964 is an apocalyptic number.

7860240964 is the 88658-th square number.

It is an amenable number.

7860240964 is a deficient number, since it is larger than the sum of its proper divisors (6068930579).

7860240964 is an frugal number, since it uses more digits than its factorization.

7860240964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The cubic root of 7860240964 is about 1988.2849261736.

The spelling of 7860240964 in words is "seven billion, eight hundred sixty million, two hundred forty thousand, nine hundred sixty-four".