79982847 has 36 divisors (see below), whose sum is σ = 135069480. Its totient is φ = 45474912.

The previous prime is 79982831. The next prime is 79982873. The reversal of 79982847 is 74828997.

It is not a de Polignac number, because 79982847 - 2⁴ = 79982831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79982793 and 79982802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79982447) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128904 + ... + 129522.

It is an arithmetic number, because the mean of its divisors is an integer number (3751930).

Almost surely, 2^79982847 is an apocalyptic number.

79982847 is a deficient number, since it is larger than the sum of its proper divisors (55086633).

79982847 is a wasteful number, since it uses less digits than its factorization.

79982847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 922 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 79982847 is about 8943.3129767441. The cubic root of 79982847 is about 430.8561399566.

The spelling of 79982847 in words is "seventy-nine million, nine hundred eighty-two thousand, eight hundred forty-seven".