77217142713 has 16 divisors (see below), whose sum is σ = 104912127936. Its totient is φ = 50500374080.

The previous prime is 77217142687. The next prime is 77217142733. The reversal of 77217142713 is 31724171277.

It is a cyclic number.

It is not a de Polignac number, because 77217142713 - 2¹⁰ = 77217141689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77217142733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439806 + ... + 1492472.

It is an arithmetic number, because the mean of its divisors is an integer number (6557007996).

Almost surely, 2^77217142713 is an apocalyptic number.

It is an amenable number.

77217142713 is a deficient number, since it is larger than the sum of its proper divisors (27694985223).

77217142713 is a wasteful number, since it uses less digits than its factorization.

77217142713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61944.

The product of its digits is 115248, while the sum is 42.

The spelling of 77217142713 in words is "seventy-seven billion, two hundred seventeen million, one hundred forty-two thousand, seven hundred thirteen".