77364397 has 16 divisors (see below), whose sum is σ = 86851584. Its totient is φ = 68310000.

The previous prime is 77364377. The next prime is 77364449. The reversal of 77364397 is 79346377.

It is not a de Polignac number, because 77364397 - 2⁷ = 77364269 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 (77364347) 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, 77572 + ... + 78562.

It is an arithmetic number, because the mean of its divisors is an integer number (5428224).

Almost surely, 2^77364397 is an apocalyptic number.

It is an amenable number.

77364397 is a deficient number, since it is larger than the sum of its proper divisors (9487187).

77364397 is a wasteful number, since it uses less digits than its factorization.

77364397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 666792, while the sum is 46.

The square root of 77364397 is about 8795.7033260564. The cubic root of 77364397 is about 426.1021396148.

The spelling of 77364397 in words is "seventy-seven million, three hundred sixty-four thousand, three hundred ninety-seven".