670978792354 has 32 divisors (see below), whose sum is σ = 1087724453760. Its totient is φ = 308588332800.

The previous prime is 670978792349. The next prime is 670978792399. The reversal of 670978792354 is 453297879076.

It is a super-2 number, since 2×670978792354² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670978792354.

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, 9562659 + ... + 9632569.

It is an arithmetic number, because the mean of its divisors is an integer number (33991389180).

Almost surely, 2^670978792354 is an apocalyptic number.

670978792354 is a deficient number, since it is larger than the sum of its proper divisors (416745661406).

670978792354 is a wasteful number, since it uses less digits than its factorization.

670978792354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71226.

The product of its (nonzero) digits is 160030080, while the sum is 67.

The spelling of 670978792354 in words is "six hundred seventy billion, nine hundred seventy-eight million, seven hundred ninety-two thousand, three hundred fifty-four".