77000161617 has 24 divisors (see below), whose sum is σ = 113607546624. Its totient is φ = 50232989184.

The previous prime is 77000161529. The next prime is 77000161621. The reversal of 77000161617 is 71616100077.

It is not a de Polignac number, because 77000161617 - 2⁷ = 77000161489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77000161627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3590308 + ... + 3611690.

It is an arithmetic number, because the mean of its divisors is an integer number (4733647776).

Almost surely, 2^77000161617 is an apocalyptic number.

It is an amenable number.

77000161617 is a deficient number, since it is larger than the sum of its proper divisors (36607385007).

77000161617 is a wasteful number, since it uses less digits than its factorization.

77000161617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29949 (or 29946 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 77000161617 in words is "seventy-seven billion, one hundred sixty-one thousand, six hundred seventeen".