78676834 has 8 divisors (see below), whose sum is σ = 124226640. Its totient is φ = 37267956.

The previous prime is 78676823. The next prime is 78676841. The reversal of 78676834 is 43867687.

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

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, 1035184 + ... + 1035259.

It is an arithmetic number, because the mean of its divisors is an integer number (15528330).

Almost surely, 2^78676834 is an apocalyptic number.

78676834 is a deficient number, since it is larger than the sum of its proper divisors (45549806).

78676834 is a wasteful number, since it uses less digits than its factorization.

78676834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070464.

The product of its digits is 1354752, while the sum is 49.

The square root of 78676834 is about 8869.9962795934. The cubic root of 78676834 is about 428.4981571139.

It can be divided in two parts, 7867683 and 4, that added together give a palindrome (7867687).

The spelling of 78676834 in words is "seventy-eight million, six hundred seventy-six thousand, eight hundred thirty-four".