77364238 has 24 divisors (see below), whose sum is σ = 142101000. Its totient is φ = 31410288.

The previous prime is 77364211. The next prime is 77364269. The reversal of 77364238 is 83246377.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77364238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18913 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (5920875).

Almost surely, 2^77364238 is an apocalyptic number.

77364238 is a deficient number, since it is larger than the sum of its proper divisors (64736762).

77364238 is a wasteful number, since it uses less digits than its factorization.

77364238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41584 (or 41577 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 77364238 is about 8795.6942875477. The cubic root of 77364238 is about 426.1018477049.

The spelling of 77364238 in words is "seventy-seven million, three hundred sixty-four thousand, two hundred thirty-eight".