70861012908 has 96 divisors (see below), whose sum is σ = 194546150400. Its totient is φ = 19652751360.

The previous prime is 70861012861. The next prime is 70861012931. The reversal of 70861012908 is 80921016807.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 70861012908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633660 + ... + 737052.

It is an arithmetic number, because the mean of its divisors is an integer number (2026522400).

Almost surely, 2^70861012908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70861012908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97273075200).

70861012908 is an abundant number, since it is smaller than the sum of its proper divisors (123685137492).

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

70861012908 is a wasteful number, since it uses less digits than its factorization.

70861012908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103647 (or 103645 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 70861012908 in words is "seventy billion, eight hundred sixty-one million, twelve thousand, nine hundred eight".