82857059 has 4 divisors (see below), whose sum is σ = 82896120. Its totient is φ = 82818000.

The previous prime is 82857053. The next prime is 82857077. The reversal of 82857059 is 95075828.

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 82857059 - 2⁸ = 82856803 is a prime.

It is a super-2 number, since 2×82857059² = 13730584452258962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82857053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16154 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (20724030).

Almost surely, 2^82857059 is an apocalyptic number.

82857059 is a deficient number, since it is larger than the sum of its proper divisors (39061).

82857059 is a wasteful number, since it uses less digits than its factorization.

82857059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 82857059 is about 9102.5852921025. The cubic root of 82857059 is about 435.9565141238.

The spelling of 82857059 in words is "eighty-two million, eight hundred fifty-seven thousand, fifty-nine".