79879862 has 12 divisors (see below), whose sum is σ = 124096596. Its totient is φ = 38561880.

The previous prime is 79879861. The next prime is 79879871. The reversal of 79879862 is 26897897.

It is a junction number, because it is equal to n+sod(n) for n = 79879798 and 79879807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79879861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22064 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (10341383).

Almost surely, 2^79879862 is an apocalyptic number.

79879862 is a deficient number, since it is larger than the sum of its proper divisors (44216734).

79879862 is a wasteful number, since it uses less digits than its factorization.

79879862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47551 (or 47522 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 79879862 is about 8937.5534683715. The cubic root of 79879862 is about 430.6711387176.

The spelling of 79879862 in words is "seventy-nine million, eight hundred seventy-nine thousand, eight hundred sixty-two".