77379488 has 12 divisors (see below), whose sum is σ = 152340930. Its totient is φ = 38689728.

The previous prime is 77379487. The next prime is 77379509. The reversal of 77379488 is 88497377.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 150544 = 8788^2 + 388^2 .

It is not an unprimeable number, because it can be changed into a prime (77379481) by changing a digit.

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 as a sum of consecutive naturals, namely, 1209023 + ... + 1209086.

Almost surely, 2^77379488 is an apocalyptic number.

It is an amenable number.

77379488 is a deficient number, since it is larger than the sum of its proper divisors (74961442).

77379488 is a wasteful number, since it uses less digits than its factorization.

77379488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418119 (or 2418111 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 53.

The square root of 77379488 is about 8796.5611462662. The cubic root of 77379488 is about 426.1298435267.

The spelling of 77379488 in words is "seventy-seven million, three hundred seventy-nine thousand, four hundred eighty-eight".