82457995 has 4 divisors (see below), whose sum is σ = 98949600. Its totient is φ = 65966392.

The previous prime is 82457981. The next prime is 82458023. The reversal of 82457995 is 59975428.

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

It is a cyclic number.

It is not a de Polignac number, because 82457995 - 2²¹ = 80360843 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8245795 + ... + 8245804.

It is an arithmetic number, because the mean of its divisors is an integer number (24737400).

Almost surely, 2^82457995 is an apocalyptic number.

82457995 is a deficient number, since it is larger than the sum of its proper divisors (16491605).

82457995 is a wasteful number, since it uses less digits than its factorization.

82457995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491604.

The product of its digits is 907200, while the sum is 49.

The square root of 82457995 is about 9080.6384687422. The cubic root of 82457995 is about 435.2554891440.

The spelling of 82457995 in words is "eighty-two million, four hundred fifty-seven thousand, nine hundred ninety-five".