7764725872 has 40 divisors (see below), whose sum is σ = 15983575200. Its totient is φ = 3647169792.

The previous prime is 7764725869. The next prime is 7764725873. The reversal of 7764725872 is 2785274677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7764725873) 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, 208972 + ... + 243307.

It is an arithmetic number, because the mean of its divisors is an integer number (399589380).

Almost surely, 2^7764725872 is an apocalyptic number.

It is an amenable number.

7764725872 is an abundant number, since it is smaller than the sum of its proper divisors (8218849328).

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

7764725872 is a wasteful number, since it uses less digits than its factorization.

7764725872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452353 (or 452347 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 55.

The square root of 7764725872 is about 88117.6819486305. The cubic root of 7764725872 is about 1980.1984183702.

The spelling of 7764725872 in words is "seven billion, seven hundred sixty-four million, seven hundred twenty-five thousand, eight hundred seventy-two".