77699113 has 24 divisors (see below), whose sum is σ = 86904576. Its totient is φ = 69357600.

The previous prime is 77699101. The next prime is 77699117. The reversal of 77699113 is 31199677.

It is not a de Polignac number, because 77699113 - 2⁵ = 77699081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77699113.

It is not an unprimeable number, because it can be changed into a prime (77699117) 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, 593058 + ... + 593188.

It is an arithmetic number, because the mean of its divisors is an integer number (3621024).

Almost surely, 2^77699113 is an apocalyptic number.

It is an amenable number.

77699113 is a deficient number, since it is larger than the sum of its proper divisors (9205463).

77699113 is a wasteful number, since it uses less digits than its factorization.

77699113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 234 counting only the distinct ones).

The product of its digits is 71442, while the sum is 43.

The square root of 77699113 is about 8814.7100349359. The cubic root of 77699113 is about 426.7157638678.

The spelling of 77699113 in words is "seventy-seven million, six hundred ninety-nine thousand, one hundred thirteen".