77448364 has 12 divisors (see below), whose sum is σ = 154896784. Its totient is φ = 33192144.

The previous prime is 77448347. The next prime is 77448409. The reversal of 77448364 is 46384477.

77448364 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 77448364.

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, 1382979 + ... + 1383034.

Almost surely, 2^77448364 is an apocalyptic number.

It is an amenable number.

77448364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77448364 is a wasteful number, since it uses less digits than its factorization.

77448364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766024 (or 2766022 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 77448364 is about 8800.4752144415. The cubic root of 77448364 is about 426.2562397071.

The spelling of 77448364 in words is "seventy-seven million, four hundred forty-eight thousand, three hundred sixty-four".