77605268 has 24 divisors (see below), whose sum is σ = 146553120. Its totient is φ = 35745120.

The previous prime is 77605219. The next prime is 77605279. The reversal of 77605268 is 86250677.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30983 + ... + 33393.

It is an arithmetic number, because the mean of its divisors is an integer number (6106380).

Almost surely, 2^77605268 is an apocalyptic number.

It is an amenable number.

77605268 is a deficient number, since it is larger than the sum of its proper divisors (68947852).

77605268 is a wasteful number, since it uses less digits than its factorization.

77605268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 77605268 is about 8809.3852225907. The cubic root of 77605268 is about 426.5438988691.

The spelling of 77605268 in words is "seventy-seven million, six hundred five thousand, two hundred sixty-eight".