70487861256 has 64 divisors (see below), whose sum is σ = 202115750400. Its totient is φ = 22738017600.

The previous prime is 70487861251. The next prime is 70487861281. The reversal of 70487861256 is 65216878407.

70487861256 is a `hidden beast` number, since 70 + 487 + 86 + 12 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (70487861251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256735 + ... + 5270126.

It is an arithmetic number, because the mean of its divisors is an integer number (3158058600).

Almost surely, 2^70487861256 is an apocalyptic number.

It is an amenable number.

70487861256 is an abundant number, since it is smaller than the sum of its proper divisors (131627889144).

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

70487861256 is a wasteful number, since it uses less digits than its factorization.

70487861256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526907 (or 10526897 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 70487861256 in words is "seventy billion, four hundred eighty-seven million, eight hundred sixty-one thousand, two hundred fifty-six".