882499921 has 2 divisors, whose sum is σ = 882499922. Its totient is φ = 882499920.

The previous prime is 882499883. The next prime is 882499931. The reversal of 882499921 is 129994288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882387025 + 112896 = 29705^2 + 336^2 .

It is a cyclic number.

It is not a de Polignac number, because 882499921 - 2¹⁵ = 882467153 is a prime.

It is a super-2 number, since 2×882499921² = 1557612221130012482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (882499931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441249960 + 441249961.

It is an arithmetic number, because the mean of its divisors is an integer number (441249961).

Almost surely, 2^882499921 is an apocalyptic number.

It is an amenable number.

882499921 is a deficient number, since it is larger than the sum of its proper divisors (1).

882499921 is an equidigital number, since it uses as much as digits as its factorization.

882499921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 882499921 is about 29706.9002253685. The cubic root of 882499921 is about 959.1905506839.

The spelling of 882499921 in words is "eight hundred eighty-two million, four hundred ninety-nine thousand, nine hundred twenty-one".