77757760607422 has 16 divisors (see below), whose sum is σ = 133320000395232. Its totient is φ = 33319508993280.

The previous prime is 77757760607413. The next prime is 77757760607437. The reversal of 77757760607422 is 22470606775777.

It is a super-2 number, since 2×77757760607422² (a number of 29 digits) contains 22 as substring.

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, 437037279 + ... + 437215162.

It is an arithmetic number, because the mean of its divisors is an integer number (8332500024702).

Almost surely, 2^{77757760607422} is an apocalyptic number.

77757760607422 is a deficient number, since it is larger than the sum of its proper divisors (55562239787810).

77757760607422 is a wasteful number, since it uses less digits than its factorization.

77757760607422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874258803.

The product of its (nonzero) digits is 338829120, while the sum is 67.

The spelling of 77757760607422 in words is "seventy-seven trillion, seven hundred fifty-seven billion, seven hundred sixty million, six hundred seven thousand, four hundred twenty-two".