78116894 has 8 divisors (see below), whose sum is σ = 121215960. Its totient is φ = 37711576.

The previous prime is 78116893. The next prime is 78116933. The reversal of 78116894 is 49861187.

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

It is a super-2 number, since 2×78116894² = 12204498256414472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78116891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673364 + ... + 673479.

It is an arithmetic number, because the mean of its divisors is an integer number (15151995).

Almost surely, 2^78116894 is an apocalyptic number.

78116894 is a deficient number, since it is larger than the sum of its proper divisors (43099066).

78116894 is a wasteful number, since it uses less digits than its factorization.

78116894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346874.

The product of its digits is 96768, while the sum is 44.

The square root of 78116894 is about 8838.3762083315. The cubic root of 78116894 is about 427.4792010218.

The spelling of 78116894 in words is "seventy-eight million, one hundred sixteen thousand, eight hundred ninety-four".