78883742 has 8 divisors (see below), whose sum is σ = 135229296. Its totient is φ = 33807312.

The previous prime is 78883733. The next prime is 78883771. The reversal of 78883742 is 24738887.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 2817263 + ... + 2817290.

It is an arithmetic number, because the mean of its divisors is an integer number (16903662).

Almost surely, 2^78883742 is an apocalyptic number.

78883742 is a deficient number, since it is larger than the sum of its proper divisors (56345554).

78883742 is a wasteful number, since it uses less digits than its factorization.

78883742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634562.

The product of its digits is 602112, while the sum is 47.

The square root of 78883742 is about 8881.6519859765. The cubic root of 78883742 is about 428.8734564453.

The spelling of 78883742 in words is "seventy-eight million, eight hundred eighty-three thousand, seven hundred forty-two".