78890108 has 12 divisors (see below), whose sum is σ = 150608472. Its totient is φ = 35859120.

The previous prime is 78890093. The next prime is 78890113. The reversal of 78890108 is 80109887.

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, 896435 + ... + 896522.

It is an arithmetic number, because the mean of its divisors is an integer number (12550706).

Almost surely, 2^78890108 is an apocalyptic number.

It is an amenable number.

78890108 is a deficient number, since it is larger than the sum of its proper divisors (71718364).

78890108 is a wasteful number, since it uses less digits than its factorization.

78890108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792972 (or 1792970 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 78890108 is about 8882.0103580214. The cubic root of 78890108 is about 428.8849929796.

The spelling of 78890108 in words is "seventy-eight million, eight hundred ninety thousand, one hundred eight".