78835084 has 24 divisors (see below), whose sum is σ = 139518288. Its totient is φ = 38976000.

The previous prime is 78835051. The next prime is 78835117. The reversal of 78835084 is 48053887.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78835051) and next prime (78835117).

It is a self number, because there is not a number n which added to its sum of digits gives 78835084.

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, 233764 + ... + 234100.

It is an arithmetic number, because the mean of its divisors is an integer number (5813262).

Almost surely, 2^78835084 is an apocalyptic number.

It is an amenable number.

78835084 is a deficient number, since it is larger than the sum of its proper divisors (60683204).

78835084 is a wasteful number, since it uses less digits than its factorization.

78835084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 78835084 is about 8878.9123207744. The cubic root of 78835084 is about 428.7852573805.

The spelling of 78835084 in words is "seventy-eight million, eight hundred thirty-five thousand, eighty-four".