889463957 has 2 divisors, whose sum is σ = 889463958. Its totient is φ = 889463956.

The previous prime is 889463933. The next prime is 889463977. The reversal of 889463957 is 759364988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734735236 + 154728721 = 27106^2 + 12439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889463957 is a prime.

It is a super-2 number, since 2×889463957² = 1582292261604195698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 889463896 and 889463905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889463917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444731978 + 444731979.

It is an arithmetic number, because the mean of its divisors is an integer number (444731979).

Almost surely, 2^889463957 is an apocalyptic number.

It is an amenable number.

889463957 is a deficient number, since it is larger than the sum of its proper divisors (1).

889463957 is an equidigital number, since it uses as much as digits as its factorization.

889463957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 59.

The square root of 889463957 is about 29823.8823260822. The cubic root of 889463957 is about 961.7070167737.

The spelling of 889463957 in words is "eight hundred eighty-nine million, four hundred sixty-three thousand, nine hundred fifty-seven".