78464676 has 12 divisors (see below), whose sum is σ = 183084272. Its totient is φ = 26154888.

The previous prime is 78464671. The next prime is 78464713. The reversal of 78464676 is 67646487.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (78464671) 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, 3269350 + ... + 3269373.

Almost surely, 2^78464676 is an apocalyptic number.

It is an amenable number.

78464676 is an abundant number, since it is smaller than the sum of its proper divisors (104619596).

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

78464676 is a wasteful number, since it uses less digits than its factorization.

78464676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538730 (or 6538728 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 78464676 is about 8858.0289003818. The cubic root of 78464676 is about 428.1126512218.

The spelling of 78464676 in words is "seventy-eight million, four hundred sixty-four thousand, six hundred seventy-six".