79882947 has 12 divisors (see below), whose sum is σ = 116079600. Its totient is φ = 52935408.

The previous prime is 79882879. The next prime is 79882993. The reversal of 79882947 is 74928897.

It is not a de Polignac number, because 79882947 - 2¹⁹ = 79358659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79882893 and 79882902.

It is not an unprimeable number, because it can be changed into a prime (79882147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25072 + ... + 28077.

It is an arithmetic number, because the mean of its divisors is an integer number (9673300).

Almost surely, 2^79882947 is an apocalyptic number.

79882947 is a deficient number, since it is larger than the sum of its proper divisors (36196653).

79882947 is a wasteful number, since it uses less digits than its factorization.

79882947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53322 (or 53319 counting only the distinct ones).

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

The square root of 79882947 is about 8937.7260530853. The cubic root of 79882947 is about 430.6766828907.

The spelling of 79882947 in words is "seventy-nine million, eight hundred eighty-two thousand, nine hundred forty-seven".