77775113 has 8 divisors (see below), whose sum is σ = 88166400. Its totient is φ = 68013648.

The previous prime is 77775109. The next prime is 77775127. The reversal of 77775113 is 31157777.

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

It is a cyclic number.

It is not a de Polignac number, because 77775113 - 2² = 77775109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77775133) 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, 157193 + ... + 157686.

It is an arithmetic number, because the mean of its divisors is an integer number (11020800).

Almost surely, 2^77775113 is an apocalyptic number.

It is an amenable number.

77775113 is a deficient number, since it is larger than the sum of its proper divisors (10391287).

77775113 is a wasteful number, since it uses less digits than its factorization.

77775113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314911.

The product of its digits is 36015, while the sum is 38.

The square root of 77775113 is about 8819.0199568886. The cubic root of 77775113 is about 426.8548466655.

The spelling of 77775113 in words is "seventy-seven million, seven hundred seventy-five thousand, one hundred thirteen".