670277072568 has 64 divisors (see below), whose sum is σ = 1748925446400. Its totient is φ = 213665506560.

The previous prime is 670277072567. The next prime is 670277072593. The reversal of 670277072568 is 865270772076.

It is a happy number.

It is a super-2 number, since 2×670277072568² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670277072567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482023 + ... + 2738793.

It is an arithmetic number, because the mean of its divisors is an integer number (27326960100).

Almost surely, 2^670277072568 is an apocalyptic number.

It is an amenable number.

670277072568 is an abundant number, since it is smaller than the sum of its proper divisors (1078648373832).

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

670277072568 is a wasteful number, since it uses less digits than its factorization.

670277072568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261532 (or 261528 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 670277072568 in words is "six hundred seventy billion, two hundred seventy-seven million, seventy-two thousand, five hundred sixty-eight".