79993782 has 24 divisors (see below), whose sum is σ = 189076680. Its totient is φ = 24240480.

The previous prime is 79993777. The next prime is 79993799. The reversal of 79993782 is 28739997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201807 + ... + 202202.

It is an arithmetic number, because the mean of its divisors is an integer number (7878195).

Almost surely, 2^79993782 is an apocalyptic number.

79993782 is an abundant number, since it is smaller than the sum of its proper divisors (109082898).

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

79993782 is a wasteful number, since it uses less digits than its factorization.

79993782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404028 (or 404025 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 79993782 is about 8943.9243064776. The cubic root of 79993782 is about 430.8757741547.

It can be divided in two parts, 7999 and 3782, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 79993782 in words is "seventy-nine million, nine hundred ninety-three thousand, seven hundred eighty-two".