70878971874 has 32 divisors (see below), whose sum is σ = 144227026944. Its totient is φ = 23218313040.

The previous prime is 70878971861. The next prime is 70878971897. The reversal of 70878971874 is 47817987807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356794 + ... + 518709.

It is an arithmetic number, because the mean of its divisors is an integer number (4507094592).

Almost surely, 2^70878971874 is an apocalyptic number.

70878971874 is an abundant number, since it is smaller than the sum of its proper divisors (73348055070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70878971874 is a wasteful number, since it uses less digits than its factorization.

70878971874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875742.

The product of its (nonzero) digits is 44255232, while the sum is 66.

The spelling of 70878971874 in words is "seventy billion, eight hundred seventy-eight million, nine hundred seventy-one thousand, eight hundred seventy-four".