70215275808 has 72 divisors (see below), whose sum is σ = 210183901200. Its totient is φ = 22173243264.

The previous prime is 70215275777. The next prime is 70215275849. The reversal of 70215275808 is 80857251207.

70215275808 is a `hidden beast` number, since 70 + 2 + 1 + 527 + 58 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6410398 + ... + 6421341.

It is an arithmetic number, because the mean of its divisors is an integer number (2919220850).

Almost surely, 2^70215275808 is an apocalyptic number.

It is an amenable number.

70215275808 is an abundant number, since it is smaller than the sum of its proper divisors (139968625392).

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

70215275808 is a wasteful number, since it uses less digits than its factorization.

70215275808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831774 (or 12831763 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 70215275808 in words is "seventy billion, two hundred fifteen million, two hundred seventy-five thousand, eight hundred eight".