89256785249265 has 32 divisors (see below), whose sum is σ = 150340629156480. Its totient is φ = 45094141610496.

The previous prime is 89256785249183. The next prime is 89256785249267. The reversal of 89256785249265 is 56294258765298.

It is not a de Polignac number, because 89256785249265 - 2²⁴ = 89256768472049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89256785249267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10769412 + ... + 17160821.

It is an arithmetic number, because the mean of its divisors is an integer number (4698144661140).

Almost surely, 2^{89256785249265} is an apocalyptic number.

It is an amenable number.

89256785249265 is a deficient number, since it is larger than the sum of its proper divisors (61083843907215).

89256785249265 is a wasteful number, since it uses less digits than its factorization.

89256785249265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27941473.

The product of its digits is 5225472000, while the sum is 78.

The spelling of 89256785249265 in words is "eighty-nine trillion, two hundred fifty-six billion, seven hundred eighty-five million, two hundred forty-nine thousand, two hundred sixty-five".