82859911 has 8 divisors (see below), whose sum is σ = 84440448. Its totient is φ = 81291000.

The previous prime is 82859863. The next prime is 82859923. The reversal of 82859911 is 11995828.

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

It is a cyclic number.

It is not a de Polignac number, because 82859911 - 2¹³ = 82851719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82859941) 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, 12216 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (10555056).

Almost surely, 2^82859911 is an apocalyptic number.

82859911 is a deficient number, since it is larger than the sum of its proper divisors (1580537).

82859911 is a wasteful number, since it uses less digits than its factorization.

82859911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813.

The product of its digits is 51840, while the sum is 43.

The square root of 82859911 is about 9102.7419495447. The cubic root of 82859911 is about 435.9615160461.

The spelling of 82859911 in words is "eighty-two million, eight hundred fifty-nine thousand, nine hundred eleven".