77275317 has 16 divisors (see below), whose sum is σ = 117932672. Its totient is φ = 44089920.

The previous prime is 77275313. The next prime is 77275357. The reversal of 77275317 is 71357277.

It is not a de Polignac number, because 77275317 - 2² = 77275313 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 (77275313) 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, 13467 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (7370792).

Almost surely, 2^77275317 is an apocalyptic number.

It is an amenable number.

77275317 is a deficient number, since it is larger than the sum of its proper divisors (40657355).

77275317 is a wasteful number, since it uses less digits than its factorization.

77275317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its digits is 72030, while the sum is 39.

The square root of 77275317 is about 8790.6380314514. The cubic root of 77275317 is about 425.9385339693.

The spelling of 77275317 in words is "seventy-seven million, two hundred seventy-five thousand, three hundred seventeen".