83057871 has 8 divisors (see below), whose sum is σ = 119262640. Its totient is φ = 51112512.

The previous prime is 83057833. The next prime is 83057879. The reversal of 83057871 is 17875038.

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

It is not a de Polignac number, because 83057871 - 2¹³ = 83049679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2129689 = 83057871 / (8 + 3 + 0 + 5 + 7 + 8 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83057879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064806 + ... + 1064883.

It is an arithmetic number, because the mean of its divisors is an integer number (14907830).

Almost surely, 2^83057871 is an apocalyptic number.

83057871 is a deficient number, since it is larger than the sum of its proper divisors (36204769).

83057871 is a wasteful number, since it uses less digits than its factorization.

83057871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129705.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 83057871 is about 9113.6091094582. The cubic root of 83057871 is about 436.3084240710.

The spelling of 83057871 in words is "eighty-three million, fifty-seven thousand, eight hundred seventy-one".