77608372 has 12 divisors (see below), whose sum is σ = 136259200. Its totient is φ = 38677176.

The previous prime is 77608343. The next prime is 77608381. The reversal of 77608372 is 27380677.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 30372 + ... + 32827.

Almost surely, 2^77608372 is an apocalyptic number.

It is an amenable number.

77608372 is a deficient number, since it is larger than the sum of its proper divisors (58650828).

77608372 is a wasteful number, since it uses less digits than its factorization.

77608372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63510 (or 63508 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 77608372 is about 8809.5613965736. The cubic root of 77608372 is about 426.5495856592.

The spelling of 77608372 in words is "seventy-seven million, six hundred eight thousand, three hundred seventy-two".