89312851 has 2 divisors, whose sum is σ = 89312852. Its totient is φ = 89312850.

The previous prime is 89312813. The next prime is 89312869. The reversal of 89312851 is 15821398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89312851 - 2¹⁹ = 88788563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89312851.

It is not a weakly prime, because it can be changed into another prime (89312351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44656425 + 44656426.

It is an arithmetic number, because the mean of its divisors is an integer number (44656426).

Almost surely, 2^89312851 is an apocalyptic number.

89312851 is a deficient number, since it is larger than the sum of its proper divisors (1).

89312851 is an equidigital number, since it uses as much as digits as its factorization.

89312851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 89312851 is about 9450.5476560885. The cubic root of 89312851 is about 446.9970438240.

The spelling of 89312851 in words is "eighty-nine million, three hundred twelve thousand, eight hundred fifty-one".