77405222636130 has 64 divisors (see below), whose sum is σ = 188634500143488. Its totient is φ = 20323688140800.

The previous prime is 77405222636129. The next prime is 77405222636213. The reversal of 77405222636130 is 3163622250477.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77405222636130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4865521 + ... + 13359780.

It is an arithmetic number, because the mean of its divisors is an integer number (2947414064742).

Almost surely, 2^{77405222636130} is an apocalyptic number.

77405222636130 is an abundant number, since it is smaller than the sum of its proper divisors (111229277507358).

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

77405222636130 is a wasteful number, since it uses less digits than its factorization.

77405222636130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18227491.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 77405222636130 in words is "seventy-seven trillion, four hundred five billion, two hundred twenty-two million, six hundred thirty-six thousand, one hundred thirty".