78148608 has 44 divisors (see below), whose sum is σ = 208302720. Its totient is φ = 26048512.

The previous prime is 78148607. The next prime is 78148619. The reversal of 78148608 is 80684187.

It is a super-2 number, since 2×78148608² = 12214409864675328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78148608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78148607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648 + ... + 15791.

Almost surely, 2^78148608 is an apocalyptic number.

It is an amenable number.

78148608 is an abundant number, since it is smaller than the sum of its proper divisors (130154112).

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

78148608 is a wasteful number, since it uses less digits than its factorization.

78148608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25462 (or 25444 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 78148608 is about 8840.1701341094. The cubic root of 78148608 is about 427.5370427188.

The spelling of 78148608 in words is "seventy-eight million, one hundred forty-eight thousand, six hundred eight".