670987315296 has 72 divisors (see below), whose sum is σ = 1978791318504. Its totient is φ = 223662435840.

The previous prime is 670987315289. The next prime is 670987315301. The reversal of 670987315296 is 692513789076.

670987315296 is a `hidden beast` number, since 6 + 70 + 9 + 8 + 7 + 31 + 529 + 6 = 666.

670987315296 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43136985 + ... + 43152536.

It is an arithmetic number, because the mean of its divisors is an integer number (27483212757).

Almost surely, 2^670987315296 is an apocalyptic number.

It is an amenable number.

670987315296 is an abundant number, since it is smaller than the sum of its proper divisors (1307804003208).

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

670987315296 is an equidigital number, since it uses as much as digits as its factorization.

670987315296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86289546 (or 86289526 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 670987315296 in words is "six hundred seventy billion, nine hundred eighty-seven million, three hundred fifteen thousand, two hundred ninety-six".