78964902 has 16 divisors (see below), whose sum is σ = 175477680. Its totient is φ = 26321616.

The previous prime is 78964891. The next prime is 78964913. The reversal of 78964902 is 20946987.

It is a happy number.

78964902 is a `hidden beast` number, since 78 + 96 + 490 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (78964891) and next prime (78964913).

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 7 ways as a sum of consecutive naturals, for example, 731103 + ... + 731210.

It is an arithmetic number, because the mean of its divisors is an integer number (10967355).

Almost surely, 2^78964902 is an apocalyptic number.

78964902 is an abundant number, since it is smaller than the sum of its proper divisors (96512778).

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

78964902 is a wasteful number, since it uses less digits than its factorization.

78964902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462324 (or 1462318 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 78964902 is about 8886.2197812118. The cubic root of 78964902 is about 429.0204890209.

The spelling of 78964902 in words is "seventy-eight million, nine hundred sixty-four thousand, nine hundred two".