77023084617 has 12 divisors (see below), whose sum is σ = 111264911940. Its totient is φ = 51344409888.

The previous prime is 77023084609. The next prime is 77023084627. The reversal of 77023084617 is 71648032077.

77023084617 is a `hidden beast` number, since 7 + 7 + 0 + 23 + 0 + 8 + 4 + 617 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69605741241 + 7417343376 = 263829^2 + 86124^2 .

It is not a de Polignac number, because 77023084617 - 2³ = 77023084609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77023084627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244398 + ... + 462359.

It is an arithmetic number, because the mean of its divisors is an integer number (9272075995).

Almost surely, 2^77023084617 is an apocalyptic number.

It is an amenable number.

77023084617 is a deficient number, since it is larger than the sum of its proper divisors (34241827323).

77023084617 is a wasteful number, since it uses less digits than its factorization.

77023084617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718872 (or 718869 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 77023084617 in words is "seventy-seven billion, twenty-three million, eighty-four thousand, six hundred seventeen".