77331113 has 8 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 72573760.

The previous prime is 77331109. The next prime is 77331127. The reversal of 77331113 is 31113377.

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 77331113 - 2² = 77331109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77331013) 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, 233 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^77331113 is an apocalyptic number.

It is an amenable number.

77331113 is a deficient number, since it is larger than the sum of its proper divisors (4783447).

77331113 is a wasteful number, since it uses less digits than its factorization.

77331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13047.

The product of its digits is 1323, while the sum is 26.

The square root of 77331113 is about 8793.8110623324. The cubic root of 77331113 is about 426.0410244312.

The spelling of 77331113 in words is "seventy-seven million, three hundred thirty-one thousand, one hundred thirteen".