884675989 has 2 divisors, whose sum is σ = 884675990. Its totient is φ = 884675988.

The previous prime is 884675959. The next prime is 884676007. The reversal of 884675989 is 989576488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689850225 + 194825764 = 26265^2 + 13958^2 .

It is a cyclic number.

It is not a de Polignac number, because 884675989 - 2¹⁹ = 884151701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 884675989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (884675959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442337994 + 442337995.

It is an arithmetic number, because the mean of its divisors is an integer number (442337995).

Almost surely, 2^884675989 is an apocalyptic number.

It is an amenable number.

884675989 is a deficient number, since it is larger than the sum of its proper divisors (1).

884675989 is an equidigital number, since it uses as much as digits as its factorization.

884675989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 64.

The square root of 884675989 is about 29743.5033074451. The cubic root of 884675989 is about 959.9782941418.

The spelling of 884675989 in words is "eight hundred eighty-four million, six hundred seventy-five thousand, nine hundred eighty-nine".