78475116 has 12 divisors (see below), whose sum is σ = 183108632. Its totient is φ = 26158368.

The previous prime is 78475087. The next prime is 78475123. The reversal of 78475116 is 61157487.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3269785 + ... + 3269808.

Almost surely, 2^78475116 is an apocalyptic number.

It is an amenable number.

78475116 is an abundant number, since it is smaller than the sum of its proper divisors (104633516).

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

78475116 is a wasteful number, since it uses less digits than its factorization.

78475116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539600 (or 6539598 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 78475116 is about 8858.6181766684. The cubic root of 78475116 is about 428.1316376757.

The spelling of 78475116 in words is "seventy-eight million, four hundred seventy-five thousand, one hundred sixteen".