79117362782 has 4 divisors (see below), whose sum is σ = 118676044176. Its totient is φ = 39558681390.

The previous prime is 79117362769. The next prime is 79117362791. The reversal of 79117362782 is 28726371197.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19779340694 + ... + 19779340697.

It is an arithmetic number, because the mean of its divisors is an integer number (29669011044).

Almost surely, 2^79117362782 is an apocalyptic number.

79117362782 is a deficient number, since it is larger than the sum of its proper divisors (39558681394).

79117362782 is a wasteful number, since it uses less digits than its factorization.

79117362782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39558681393.

The product of its digits is 1778112, while the sum is 53.

The spelling of 79117362782 in words is "seventy-nine billion, one hundred seventeen million, three hundred sixty-two thousand, seven hundred eighty-two".