77056164157061 has 8 divisors (see below), whose sum is σ = 77076294108000. Its totient is φ = 77036034846960.

The previous prime is 77056164157019. The next prime is 77056164157073. The reversal of 77056164157061 is 16075146165077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77056164157061 - 2⁴⁶ = 6687419979397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77056164156988 and 77056164157006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77056164187061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325316570 + ... + 325553348.

It is an arithmetic number, because the mean of its divisors is an integer number (9634536763500).

Almost surely, 2^{77056164157061} is an apocalyptic number.

It is an amenable number.

77056164157061 is a deficient number, since it is larger than the sum of its proper divisors (20129950939).

77056164157061 is a wasteful number, since it uses less digits than its factorization.

77056164157061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320419.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 77056164157061 in words is "seventy-seven trillion, fifty-six billion, one hundred sixty-four million, one hundred fifty-seven thousand, sixty-one".