78860108 has 48 divisors (see below), whose sum is σ = 151536000. Its totient is φ = 35779968.

The previous prime is 78860099. The next prime is 78860143. The reversal of 78860108 is 80106887.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192608 + ... + 193016.

It is an arithmetic number, because the mean of its divisors is an integer number (3157000).

Almost surely, 2^78860108 is an apocalyptic number.

It is an amenable number.

78860108 is a deficient number, since it is larger than the sum of its proper divisors (72675892).

78860108 is a wasteful number, since it uses less digits than its factorization.

78860108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 78860108 is about 8880.3213905804. The cubic root of 78860108 is about 428.8306212237.

The spelling of 78860108 in words is "seventy-eight million, eight hundred sixty thousand, one hundred eight".