67870392512 has 56 divisors (see below), whose sum is σ = 145909137696. Its totient is φ = 31137159168.

The previous prime is 67870392509. The next prime is 67870392517. The reversal of 67870392512 is 21529307876.

It is not an unprimeable number, because it can be changed into a prime (67870392517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105293 + ... + 383180.

It is an arithmetic number, because the mean of its divisors is an integer number (2605520316).

Almost surely, 2^67870392512 is an apocalyptic number.

It is an amenable number.

67870392512 is an abundant number, since it is smaller than the sum of its proper divisors (78038745184).

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

67870392512 is a wasteful number, since it uses less digits than its factorization.

67870392512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488665 (or 488655 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 67870392512 in words is "sixty-seven billion, eight hundred seventy million, three hundred ninety-two thousand, five hundred twelve".