77264117 has 8 divisors (see below), whose sum is σ = 89546112. Its totient is φ = 65293200.

The previous prime is 77264101. The next prime is 77264141. The reversal of 77264117 is 71146277.

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

It is not a de Polignac number, because 77264117 - 2⁴ = 77264101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77264147) 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, 77234 + ... + 78227.

It is an arithmetic number, because the mean of its divisors is an integer number (11193264).

Almost surely, 2^77264117 is an apocalyptic number.

It is an amenable number.

77264117 is a deficient number, since it is larger than the sum of its proper divisors (12281995).

77264117 is a wasteful number, since it uses less digits than its factorization.

77264117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155539.

The product of its digits is 16464, while the sum is 35.

The square root of 77264117 is about 8790.0009670079. Note that the first 3 decimals coincide. The cubic root of 77264117 is about 425.9179549873.

The spelling of 77264117 in words is "seventy-seven million, two hundred sixty-four thousand, one hundred seventeen".