89151807889 has 3 divisors (see below), whose sum is σ = 89152106473. Its totient is φ = 89151509306.

The previous prime is 89151807827. The next prime is 89151807967. The reversal of 89151807889 is 98870815198.

The square root of 89151807889 is 298583.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98870815198 = 2 ⋅49435407599.

It is not a de Polignac number, because 89151807889 - 2⁷ = 89151807761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89151807889.

It is not an unprimeable number, because it can be changed into a prime (89151507889) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 149292 + ... + 447874.

Almost surely, 2^89151807889 is an apocalyptic number.

89151807889 is the 298583-rd square number.

89151807889 is the 149292-nd centered octagonal number.

It is an amenable number.

89151807889 is a deficient number, since it is larger than the sum of its proper divisors (298584).

89151807889 is an frugal number, since it uses more digits than its factorization.

89151807889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597166 (or 298583 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 64.

Multiplying 89151807889 by its sum of digits (64), we get a square (5705715704896 = 2388664²).

The spelling of 89151807889 in words is "eighty-nine billion, one hundred fifty-one million, eight hundred seven thousand, eight hundred eighty-nine".