77608268 has 12 divisors (see below), whose sum is σ = 135926112. Its totient is φ = 38772240.

The previous prime is 77608259. The next prime is 77608273. The reversal of 77608268 is 86280677.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (11327176).

Almost surely, 2^77608268 is an apocalyptic number.

It is an amenable number.

77608268 is a deficient number, since it is larger than the sum of its proper divisors (58317844).

77608268 is a wasteful number, since it uses less digits than its factorization.

77608268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952 (or 15950 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 77608268 is about 8809.5554938941. Note that the first 3 decimals coincide. The cubic root of 77608268 is about 426.5493951249.

The spelling of 77608268 in words is "seventy-seven million, six hundred eight thousand, two hundred sixty-eight".