78984934 has 8 divisors (see below), whose sum is σ = 135402768. Its totient is φ = 33850680.

The previous prime is 78984883. The next prime is 78984947. The reversal of 78984934 is 43948987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820877 + ... + 2820904.

It is an arithmetic number, because the mean of its divisors is an integer number (16925346).

Almost surely, 2^78984934 is an apocalyptic number.

78984934 is a deficient number, since it is larger than the sum of its proper divisors (56417834).

78984934 is a wasteful number, since it uses less digits than its factorization.

78984934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641790.

The product of its digits is 1741824, while the sum is 52.

The square root of 78984934 is about 8887.3468481882. The cubic root of 78984934 is about 429.0567642588.

The spelling of 78984934 in words is "seventy-eight million, nine hundred eighty-four thousand, nine hundred thirty-four".