78710712 has 32 divisors (see below), whose sum is σ = 200966400. Its totient is φ = 25678304.

The previous prime is 78710701. The next prime is 78710719. The reversal of 78710712 is 21701787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78710719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33762 + ... + 36017.

It is an arithmetic number, because the mean of its divisors is an integer number (6280200).

Almost surely, 2^78710712 is an apocalyptic number.

It is an amenable number.

78710712 is an abundant number, since it is smaller than the sum of its proper divisors (122255688).

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

78710712 is a wasteful number, since it uses less digits than its factorization.

78710712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69835 (or 69831 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 78710712 is about 8871.9057704644. The cubic root of 78710712 is about 428.5596516129.

The spelling of 78710712 in words is "seventy-eight million, seven hundred ten thousand, seven hundred twelve".