77394608 has 20 divisors (see below), whose sum is σ = 158773320. Its totient is φ = 36420864.

The previous prime is 77394553. The next prime is 77394613. The reversal of 77394608 is 80649377.

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, 141998 + ... + 142541.

It is an arithmetic number, because the mean of its divisors is an integer number (7938666).

Almost surely, 2^77394608 is an apocalyptic number.

It is an amenable number.

77394608 is an abundant number, since it is smaller than the sum of its proper divisors (81378712).

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

77394608 is a wasteful number, since it uses less digits than its factorization.

77394608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284564 (or 284558 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 77394608 is about 8797.4205310420. The cubic root of 77394608 is about 426.1575970645.

The spelling of 77394608 in words is "seventy-seven million, three hundred ninety-four thousand, six hundred eight".