3972663608 has 16 divisors (see below), whose sum is σ = 7472546880. Its totient is φ = 1979984448.

The previous prime is 3972663593. The next prime is 3972663623. The reversal of 3972663608 is 8063662793.

It is an interprime number because it is at equal distance from previous prime (3972663593) and next prime (3972663623).

It is a super-2 number, since 2×3972663608² = 31564112284655155328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790760 + ... + 795767.

It is an arithmetic number, because the mean of its divisors is an integer number (467034180).

Almost surely, 2^3972663608 is an apocalyptic number.

It is an amenable number.

3972663608 is a deficient number, since it is larger than the sum of its proper divisors (3499883272).

3972663608 is a wasteful number, since it uses less digits than its factorization.

3972663608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586846 (or 1586842 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The square root of 3972663608 is about 63029.0695473128. The cubic root of 3972663608 is about 1583.7766313861.

The spelling of 3972663608 in words is "three billion, nine hundred seventy-two million, six hundred sixty-three thousand, six hundred eight".