77051117 has 16 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 63739200.

The previous prime is 77051111. The next prime is 77051147. The reversal of 77051117 is 71115077.

It is a cyclic number.

It is not a de Polignac number, because 77051117 - 2⁶ = 77051053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77051117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77051111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6359 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^77051117 is an apocalyptic number.

It is an amenable number.

77051117 is a deficient number, since it is larger than the sum of its proper divisors (14757523).

77051117 is a wasteful number, since it uses less digits than its factorization.

77051117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684.

The product of its (nonzero) digits is 1715, while the sum is 29.

The square root of 77051117 is about 8777.8765655482. The cubic root of 77051117 is about 425.5262077300.

The spelling of 77051117 in words is "seventy-seven million, fifty-one thousand, one hundred seventeen".