77601613422 has 16 divisors (see below), whose sum is σ = 155672122752. Its totient is φ = 25789055160.

The previous prime is 77601613409. The next prime is 77601613457. The reversal of 77601613422 is 22431610677.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19535178 + ... + 19539149.

It is an arithmetic number, because the mean of its divisors is an integer number (9729507672).

Almost surely, 2^77601613422 is an apocalyptic number.

77601613422 is an abundant number, since it is smaller than the sum of its proper divisors (78070509330).

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

77601613422 is a wasteful number, since it uses less digits than its factorization.

77601613422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39074663.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 77601613422 in words is "seventy-seven billion, six hundred one million, six hundred thirteen thousand, four hundred twenty-two".