82141857 has 40 divisors (see below), whose sum is σ = 141010496. Its totient is φ = 46679328.

The previous prime is 82141837. The next prime is 82141859. The reversal of 82141857 is 75814128.

It is not a de Polignac number, because 82141857 - 2⁶ = 82141793 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82141859) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 156798 + ... + 157320.

Almost surely, 2^82141857 is an apocalyptic number.

It is an amenable number.

82141857 is a deficient number, since it is larger than the sum of its proper divisors (58868639).

82141857 is a wasteful number, since it uses less digits than its factorization.

82141857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 810 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 82141857 is about 9063.2144959722. The cubic root of 82141857 is about 434.6985307159.

The spelling of 82141857 in words is "eighty-two million, one hundred forty-one thousand, eight hundred fifty-seven".