974312815027 has 4 divisors (see below), whose sum is σ = 1031625333576. Its totient is φ = 917000296480.

The previous prime is 974312814989. The next prime is 974312815039. The reversal of 974312815027 is 720518213479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974312815027 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974312815097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28656259249 + ... + 28656259282.

It is an arithmetic number, because the mean of its divisors is an integer number (257906333394).

Almost surely, 2^974312815027 is an apocalyptic number.

974312815027 is a deficient number, since it is larger than the sum of its proper divisors (57312518549).

974312815027 is a wasteful number, since it uses less digits than its factorization.

974312815027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57312518548.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 974312815027 in words is "nine hundred seventy-four billion, three hundred twelve million, eight hundred fifteen thousand, twenty-seven".