77700984117 has 8 divisors (see below), whose sum is σ = 103605756960. Its totient is φ = 51798433680.

The previous prime is 77700984071. The next prime is 77700984143. The reversal of 77700984117 is 71148900777.

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

It is not a de Polignac number, because 77700984117 - 2⁸ = 77700983861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77700984117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77700984187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472234 + ... + 615147.

It is an arithmetic number, because the mean of its divisors is an integer number (12950719620).

Almost surely, 2^77700984117 is an apocalyptic number.

It is an amenable number.

77700984117 is a deficient number, since it is larger than the sum of its proper divisors (25904772843).

77700984117 is a wasteful number, since it uses less digits than its factorization.

77700984117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111203.

The product of its (nonzero) digits is 691488, while the sum is 51.

The spelling of 77700984117 in words is "seventy-seven billion, seven hundred million, nine hundred eighty-four thousand, one hundred seventeen".