3173897979 has 64 divisors (see below), whose sum is σ = 5486592000. Its totient is φ = 1775844000.

The previous prime is 3173897933. The next prime is 3173897981. The reversal of 3173897979 is 9797983713.

It is not a de Polignac number, because 3173897979 - 2¹² = 3173893883 is a prime.

It is a super-2 number, since 2×3173897979² = 20147256762200568882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3173897179) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4225854 + ... + 4226604.

It is an arithmetic number, because the mean of its divisors is an integer number (85728000).

Almost surely, 2^3173897979 is an apocalyptic number.

3173897979 is a deficient number, since it is larger than the sum of its proper divisors (2312694021).

3173897979 is a wasteful number, since it uses less digits than its factorization.

3173897979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its digits is 18003384, while the sum is 63.

The square root of 3173897979 is about 56337.3586441537. The cubic root of 3173897979 is about 1469.5949612936.

The spelling of 3173897979 in words is "three billion, one hundred seventy-three million, eight hundred ninety-seven thousand, nine hundred seventy-nine".