89173951 has 2 divisors, whose sum is σ = 89173952. Its totient is φ = 89173950.

The previous prime is 89173937. The next prime is 89173961. The reversal of 89173951 is 15937198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89173951 - 2⁹ = 89173439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89173898 and 89173907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89173901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44586975 + 44586976.

It is an arithmetic number, because the mean of its divisors is an integer number (44586976).

Almost surely, 2^89173951 is an apocalyptic number.

89173951 is a deficient number, since it is larger than the sum of its proper divisors (1).

89173951 is an equidigital number, since it uses as much as digits as its factorization.

89173951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 43.

The square root of 89173951 is about 9443.1960161801. The cubic root of 89173951 is about 446.7651992348.

The spelling of 89173951 in words is "eighty-nine million, one hundred seventy-three thousand, nine hundred fifty-one".