82857995 has 8 divisors (see below), whose sum is σ = 108468720. Its totient is φ = 60260320.

The previous prime is 82857991. The next prime is 82857997. The reversal of 82857995 is 59975828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82857995 - 2² = 82857991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82857991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753200 + ... + 753309.

It is an arithmetic number, because the mean of its divisors is an integer number (13558590).

Almost surely, 2^82857995 is an apocalyptic number.

82857995 is a deficient number, since it is larger than the sum of its proper divisors (25610725).

82857995 is a wasteful number, since it uses less digits than its factorization.

82857995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506525.

The product of its digits is 1814400, while the sum is 53.

The square root of 82857995 is about 9102.6367059221. The cubic root of 82857995 is about 435.9581557210.

The spelling of 82857995 in words is "eighty-two million, eight hundred fifty-seven thousand, nine hundred ninety-five".