77219332 has 12 divisors (see below), whose sum is σ = 136397520. Its totient is φ = 38248616.

The previous prime is 77219323. The next prime is 77219339. The reversal of 77219332 is 23391277.

It is not an unprimeable number, because it can be changed into a prime (77219339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89782 + ... + 90637.

It is an arithmetic number, because the mean of its divisors is an integer number (11366460).

Almost surely, 2^77219332 is an apocalyptic number.

It is an amenable number.

77219332 is a deficient number, since it is larger than the sum of its proper divisors (59178188).

77219332 is a wasteful number, since it uses less digits than its factorization.

77219332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180530 (or 180528 counting only the distinct ones).

The product of its digits is 15876, while the sum is 34.

The square root of 77219332 is about 8787.4531008706. The cubic root of 77219332 is about 425.8356467395.

The spelling of 77219332 in words is "seventy-seven million, two hundred nineteen thousand, three hundred thirty-two".