78802768 has 20 divisors (see below), whose sum is σ = 166560768. Its totient is φ = 35819360.

The previous prime is 78802753. The next prime is 78802771. The reversal of 78802768 is 86720887.

It is a congruent number.

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, 223696 + ... + 224047.

Almost surely, 2^78802768 is an apocalyptic number.

It is an amenable number.

78802768 is an abundant number, since it is smaller than the sum of its proper divisors (87758000).

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

78802768 is a wasteful number, since it uses less digits than its factorization.

78802768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447762 (or 447756 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 78802768 is about 8877.0923167443. The cubic root of 78802768 is about 428.7266602962.

It can be divided in two parts, 7880 and 2768, that added together give a cube (10648 = 22³).

The spelling of 78802768 in words is "seventy-eight million, eight hundred two thousand, seven hundred sixty-eight".