77340542610612 has 24 divisors (see below), whose sum is σ = 180483968700000. Its totient is φ = 25776937640416.

The previous prime is 77340542610593. The next prime is 77340542610679. The reversal of 77340542610612 is 21601624504377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405304362 + ... + 405495137.

It is an arithmetic number, because the mean of its divisors is an integer number (7520165362500).

Almost surely, 2^{77340542610612} is an apocalyptic number.

It is an amenable number.

77340542610612 is an abundant number, since it is smaller than the sum of its proper divisors (103143426089388).

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

77340542610612 is a wasteful number, since it uses less digits than its factorization.

77340542610612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810807455 (or 810807453 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 77340542610612 in words is "seventy-seven trillion, three hundred forty billion, five hundred forty-two million, six hundred ten thousand, six hundred twelve".