870983233 has 2 divisors, whose sum is σ = 870983234. Its totient is φ = 870983232.

The previous prime is 870983209. The next prime is 870983249. The reversal of 870983233 is 332389078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861539904 + 9443329 = 29352^2 + 3073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870983233 is a prime.

It is a super-2 number, since 2×870983233² = 1517223584334264578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 870983233.

It is not a weakly prime, because it can be changed into another prime (870983263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435491616 + 435491617.

It is an arithmetic number, because the mean of its divisors is an integer number (435491617).

Almost surely, 2^870983233 is an apocalyptic number.

It is an amenable number.

870983233 is a deficient number, since it is larger than the sum of its proper divisors (1).

870983233 is an equidigital number, since it uses as much as digits as its factorization.

870983233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 870983233 is about 29512.4250613195. The cubic root of 870983233 is about 954.9997653573. Note that the first 3 decimals are identical.

The spelling of 870983233 in words is "eight hundred seventy million, nine hundred eighty-three thousand, two hundred thirty-three".