77363764 has 12 divisors (see below), whose sum is σ = 140055300. Its totient is φ = 37347968.

The previous prime is 77363747. The next prime is 77363771. The reversal of 77363764 is 46736377.

It can be written as a sum of positive squares in 2 ways, for example, as 63075364 + 14288400 = 7942^2 + 3780^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77363764.

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 3 ways as a sum of consecutive naturals, for example, 333349 + ... + 333580.

It is an arithmetic number, because the mean of its divisors is an integer number (11671275).

Almost surely, 2^77363764 is an apocalyptic number.

It is an amenable number.

77363764 is a deficient number, since it is larger than the sum of its proper divisors (62691536).

77363764 is a wasteful number, since it uses less digits than its factorization.

77363764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666962 (or 666960 counting only the distinct ones).

The product of its digits is 444528, while the sum is 43.

The square root of 77363764 is about 8795.6673425045. The cubic root of 77363764 is about 426.1009774808.

The spelling of 77363764 in words is "seventy-seven million, three hundred sixty-three thousand, seven hundred sixty-four".