77383888 has 20 divisors (see below), whose sum is σ = 151740288. Its totient is φ = 38225120.

The previous prime is 77383883. The next prime is 77383913. The reversal of 77383888 is 88838377.

It is a super-2 number, since 2×77383888² = 11976532243993088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77383883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27808 + ... + 30463.

Almost surely, 2^77383888 is an apocalyptic number.

It is an amenable number.

77383888 is a deficient number, since it is larger than the sum of its proper divisors (74356400).

77383888 is a wasteful number, since it uses less digits than its factorization.

77383888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58362 (or 58356 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 77383888 is about 8796.8112404439. The cubic root of 77383888 is about 426.1379203260.

The spelling of 77383888 in words is "seventy-seven million, three hundred eighty-three thousand, eight hundred eighty-eight".