78985082 has 32 divisors (see below), whose sum is σ = 135959040. Its totient is φ = 34063920.

The previous prime is 78985037. The next prime is 78985087. The reversal of 78985082 is 28058987.

It is not an unprimeable number, because it can be changed into a prime (78985087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69773 + ... + 70895.

It is an arithmetic number, because the mean of its divisors is an integer number (4248720).

Almost surely, 2^78985082 is an apocalyptic number.

78985082 is a deficient number, since it is larger than the sum of its proper divisors (56973958).

78985082 is a wasteful number, since it uses less digits than its factorization.

78985082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 78985082 is about 8887.3551746287. The cubic root of 78985082 is about 429.0570322439.

The spelling of 78985082 in words is "seventy-eight million, nine hundred eighty-five thousand, eighty-two".