77313117 has 8 divisors (see below), whose sum is σ = 117810496. Its totient is φ = 44178912.

The previous prime is 77313079. The next prime is 77313121. The reversal of 77313117 is 71131377.

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

It is not a de Polignac number, because 77313117 - 2¹⁵ = 77280349 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77313317) 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, 1840768 + ... + 1840809.

It is an arithmetic number, because the mean of its divisors is an integer number (14726312).

Almost surely, 2^77313117 is an apocalyptic number.

It is an amenable number.

77313117 is a deficient number, since it is larger than the sum of its proper divisors (40497379).

77313117 is a wasteful number, since it uses less digits than its factorization.

77313117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681587.

The product of its digits is 3087, while the sum is 30.

The square root of 77313117 is about 8792.7877831778. The cubic root of 77313117 is about 426.0079733569.

The spelling of 77313117 in words is "seventy-seven million, three hundred thirteen thousand, one hundred seventeen".