70986674971 has 32 divisors (see below), whose sum is σ = 79777032192. Its totient is φ = 62834849280.

The previous prime is 70986674923. The next prime is 70986674977. The reversal of 70986674971 is 17947668907.

It is a cyclic number.

It is not a de Polignac number, because 70986674971 - 2¹¹ = 70986672923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70986674977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23143780 + ... + 23146846.

It is an arithmetic number, because the mean of its divisors is an integer number (2493032256).

Almost surely, 2^70986674971 is an apocalyptic number.

70986674971 is a deficient number, since it is larger than the sum of its proper divisors (8790357221).

70986674971 is a wasteful number, since it uses less digits than its factorization.

70986674971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 70986674971 in words is "seventy billion, nine hundred eighty-six million, six hundred seventy-four thousand, nine hundred seventy-one".