70857990012 has 48 divisors (see below), whose sum is σ = 166829241600. Its totient is φ = 23406662400.

The previous prime is 70857990001. The next prime is 70857990059. The reversal of 70857990012 is 21009975807.

It is a congruent number.

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, 712564 + ... + 805892.

It is an arithmetic number, because the mean of its divisors is an integer number (3475609200).

Almost surely, 2^70857990012 is an apocalyptic number.

It is an amenable number.

70857990012 is an abundant number, since it is smaller than the sum of its proper divisors (95971251588).

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

70857990012 is a wasteful number, since it uses less digits than its factorization.

70857990012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93906 (or 93904 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 70857990012 in words is "seventy billion, eight hundred fifty-seven million, nine hundred ninety thousand, twelve".