89082857 has 2 divisors, whose sum is σ = 89082858. Its totient is φ = 89082856.

The previous prime is 89082853. The next prime is 89082893. The reversal of 89082857 is 75828098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 2611456 = 9299^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 89082857 - 2² = 89082853 is a prime.

It is a super-2 number, since 2×89082857² = 15871510822564898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89082853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44541428 + 44541429.

It is an arithmetic number, because the mean of its divisors is an integer number (44541429).

Almost surely, 2^89082857 is an apocalyptic number.

It is an amenable number.

89082857 is a deficient number, since it is larger than the sum of its proper divisors (1).

89082857 is an equidigital number, since it uses as much as digits as its factorization.

89082857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 89082857 is about 9438.3715226728. The cubic root of 89082857 is about 446.6130191627.

The spelling of 89082857 in words is "eighty-nine million, eighty-two thousand, eight hundred fifty-seven".