70122100864 has 32 divisors (see below), whose sum is σ = 140151488400. Its totient is φ = 34946825472.

The previous prime is 70122100849. The next prime is 70122100877. The reversal of 70122100864 is 46800122107.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852934 + ... + 931525.

Almost surely, 2^70122100864 is an apocalyptic number.

It is an amenable number.

70122100864 is a deficient number, since it is larger than the sum of its proper divisors (70029387536).

70122100864 is a wasteful number, since it uses less digits than its factorization.

70122100864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784780 (or 1784768 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 70122100864 in words is "seventy billion, one hundred twenty-two million, one hundred thousand, eight hundred sixty-four".