79893982 has 16 divisors (see below), whose sum is σ = 145018080. Its totient is φ = 32226048.

The previous prime is 79893977. The next prime is 79893991. The reversal of 79893982 is 28939897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167607 + ... + 168082.

It is an arithmetic number, because the mean of its divisors is an integer number (9063630).

Almost surely, 2^79893982 is an apocalyptic number.

79893982 is a deficient number, since it is larger than the sum of its proper divisors (65124098).

79893982 is a wasteful number, since it uses less digits than its factorization.

79893982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335715.

The product of its digits is 1959552, while the sum is 55.

The square root of 79893982 is about 8938.3433588110. The cubic root of 79893982 is about 430.6965131489.

It can be divided in two parts, 7 and 9893982, that added together give a palindrome (9893989).

The spelling of 79893982 in words is "seventy-nine million, eight hundred ninety-three thousand, nine hundred eighty-two".