77054113717245 has 36 divisors (see below), whose sum is σ = 155366253785340. Its totient is φ = 35224737698304.

The previous prime is 77054113717199. The next prime is 77054113717277. The reversal of 77054113717245 is 54271731145077.

77054113717245 is a `hidden beast` number, since 7 + 7 + 0 + 541 + 1 + 3 + 71 + 7 + 24 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12846762040644 + 64207351676601 = 3584238^2 + 8012949^2 .

It is not a de Polignac number, because 77054113717245 - 2⁶ = 77054113717181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77054113717191 and 77054113717200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17472585940 + ... + 17472590349.

It is an arithmetic number, because the mean of its divisors is an integer number (4315729271815).

Almost surely, 2^{77054113717245} is an apocalyptic number.

It is an amenable number.

77054113717245 is an abundant number, since it is smaller than the sum of its proper divisors (78312140068095).

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

77054113717245 is a wasteful number, since it uses less digits than its factorization.

77054113717245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34945176314 (or 34945176304 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 54.

The spelling of 77054113717245 in words is "seventy-seven trillion, fifty-four billion, one hundred thirteen million, seven hundred seventeen thousand, two hundred forty-five".