77040417157338 has 16 divisors (see below), whose sum is σ = 154080984447936. Its totient is φ = 25680114030240.

The previous prime is 77040417157289. The next prime is 77040417157351. The reversal of 77040417157338 is 83375171404077.

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, 1076403 + ... + 12459513.

It is an arithmetic number, because the mean of its divisors is an integer number (9630061527996).

Almost surely, 2^{77040417157338} is an apocalyptic number.

77040417157338 is an abundant number, since it is smaller than the sum of its proper divisors (77040567290598).

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

77040417157338 is a wasteful number, since it uses less digits than its factorization.

77040417157338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511109.

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 77040417157338 in words is "seventy-seven trillion, forty billion, four hundred seventeen million, one hundred fifty-seven thousand, three hundred thirty-eight".