78943606 has 24 divisors (see below), whose sum is σ = 140356800. Its totient is φ = 33192432.

The previous prime is 78943603. The next prime is 78943619. The reversal of 78943606 is 60634987.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78943603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2406 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^78943606 is an apocalyptic number.

78943606 is a deficient number, since it is larger than the sum of its proper divisors (61413194).

78943606 is a wasteful number, since it uses less digits than its factorization.

78943606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268 (or 15261 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 78943606 is about 8885.0214406044. The cubic root of 78943606 is about 428.9819181219.

The spelling of 78943606 in words is "seventy-eight million, nine hundred forty-three thousand, six hundred six".