83057211 has 8 divisors (see below), whose sum is σ = 123047760. Its totient is φ = 55371456.

The previous prime is 83057207. The next prime is 83057213. The reversal of 83057211 is 11275038.

83057211 is a `hidden beast` number, since 83 + 0 + 572 + 11 = 666.

It is not a de Polignac number, because 83057211 - 2² = 83057207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3076193 = 83057211 / (8 + 3 + 0 + 5 + 7 + 2 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (83057213) 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, 1538070 + ... + 1538123.

It is an arithmetic number, because the mean of its divisors is an integer number (15380970).

Almost surely, 2^83057211 is an apocalyptic number.

83057211 is a deficient number, since it is larger than the sum of its proper divisors (39990549).

83057211 is a wasteful number, since it uses less digits than its factorization.

83057211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076202 (or 3076196 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 83057211 is about 9113.5728998017. The cubic root of 83057211 is about 436.3072683936.

The spelling of 83057211 in words is "eighty-three million, fifty-seven thousand, two hundred eleven".