3665525876 has 24 divisors (see below), whose sum is σ = 6710445000. Its totient is φ = 1749676544.

The previous prime is 3665525869. The next prime is 3665525887. The reversal of 3665525876 is 6785255663.

It can be written as a sum of positive squares in 4 ways, for example, as 1094021776 + 2571504100 = 33076^2 + 50710^2 .

It is a congruent number.

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, 167201 + ... + 187848.

It is an arithmetic number, because the mean of its divisors is an integer number (279601875).

Almost surely, 2^3665525876 is an apocalyptic number.

It is an amenable number.

3665525876 is a deficient number, since it is larger than the sum of its proper divisors (3044919124).

3665525876 is a wasteful number, since it uses less digits than its factorization.

3665525876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355171 (or 355169 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The square root of 3665525876 is about 60543.5865802481. The cubic root of 3665525876 is about 1541.8617327825.

The spelling of 3665525876 in words is "three billion, six hundred sixty-five million, five hundred twenty-five thousand, eight hundred seventy-six".