77364663 has 36 divisors (see below), whose sum is σ = 114338280. Its totient is φ = 46471040.

The previous prime is 77364647. The next prime is 77364689. The reversal of 77364663 is 36646377.

It is not a de Polignac number, because 77364663 - 2⁴ = 77364647 is a prime.

It is a super-2 number, since 2×77364663² = 11970582162207138, which contains 22 as substring.

Its product of digits (381024) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77364863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1886923 + ... + 1886963.

Almost surely, 2^77364663 is an apocalyptic number.

77364663 is a deficient number, since it is larger than the sum of its proper divisors (36973617).

77364663 is a wasteful number, since it uses less digits than its factorization.

77364663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 96 counting only the distinct ones).

The product of its digits is 381024, while the sum is 42.

The square root of 77364663 is about 8795.7184470628. The cubic root of 77364663 is about 426.1026279662.

The spelling of 77364663 in words is "seventy-seven million, three hundred sixty-four thousand, six hundred sixty-three".