78899196 has 24 divisors (see below), whose sum is σ = 186430720. Its totient is φ = 25966512.

The previous prime is 78899179. The next prime is 78899201. The reversal of 78899196 is 69199887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40666 + ... + 42561.

Almost surely, 2^78899196 is an apocalyptic number.

It is an amenable number.

78899196 is an abundant number, since it is smaller than the sum of its proper divisors (107531524).

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

78899196 is a wasteful number, since it uses less digits than its factorization.

78899196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83313 (or 83311 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 57.

The square root of 78899196 is about 8882.5219391792. The cubic root of 78899196 is about 428.9014612765.

The spelling of 78899196 in words is "seventy-eight million, eight hundred ninety-nine thousand, one hundred ninety-six".