78896918 has 8 divisors (see below), whose sum is σ = 118635960. Its totient is φ = 39351600.

The previous prime is 78896899. The next prime is 78896927. The reversal of 78896918 is 81969887.

It is a happy number.

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

It is a super-3 number, since 3×78896918³ (a number of 25 digits) contains 333 as substring.

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, 47408 + ... + 49043.

It is an arithmetic number, because the mean of its divisors is an integer number (14829495).

Almost surely, 2^78896918 is an apocalyptic number.

78896918 is a deficient number, since it is larger than the sum of its proper divisors (39739042).

78896918 is a wasteful number, since it uses less digits than its factorization.

78896918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96862.

The product of its digits is 1741824, while the sum is 56.

The square root of 78896918 is about 8882.3937089053. The cubic root of 78896918 is about 428.8973334485.

The spelling of 78896918 in words is "seventy-eight million, eight hundred ninety-six thousand, nine hundred eighteen".