82748079 has 6 divisors (see below), whose sum is σ = 119525016. Its totient is φ = 55165380.

The previous prime is 82748069. The next prime is 82748093. The reversal of 82748079 is 97084728.

It is not a de Polignac number, because 82748079 - 2⁴ = 82748063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82748069) 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, 4597107 + ... + 4597124.

It is an arithmetic number, because the mean of its divisors is an integer number (19920836).

Almost surely, 2^82748079 is an apocalyptic number.

82748079 is a deficient number, since it is larger than the sum of its proper divisors (36776937).

82748079 is a wasteful number, since it uses less digits than its factorization.

82748079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194237 (or 9194234 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 82748079 is about 9096.5971110080. The cubic root of 82748079 is about 435.7652957108.

The spelling of 82748079 in words is "eighty-two million, seven hundred forty-eight thousand, seventy-nine".