78882768 has 40 divisors (see below), whose sum is σ = 226424000. Its totient is φ = 26294112.

The previous prime is 78882763. The next prime is 78882773. The reversal of 78882768 is 86728887.

It is an interprime number because it is at equal distance from previous prime (78882763) and next prime (78882773).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78882763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90868 + ... + 91731.

It is an arithmetic number, because the mean of its divisors is an integer number (5660600).

Almost surely, 2^78882768 is an apocalyptic number.

It is an amenable number.

78882768 is an abundant number, since it is smaller than the sum of its proper divisors (147541232).

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

78882768 is a wasteful number, since it uses less digits than its factorization.

78882768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182616 (or 182604 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The square root of 78882768 is about 8881.5971536656. The cubic root of 78882768 is about 428.8716912972.

The spelling of 78882768 in words is "seventy-eight million, eight hundred eighty-two thousand, seven hundred sixty-eight".