89123444761 has 32 divisors (see below), whose sum is σ = 104534420480. Its totient is φ = 75246796800.

The previous prime is 89123444743. The next prime is 89123444771. The reversal of 89123444761 is 16744432198.

It is a happy number.

It is a 8-Lehmer number, since φ(89123444761) divides (89123444761-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 89123444761 - 2²³ = 89115056153 is a prime.

It is the 298536-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (89123444771) by changing a digit.

It is a nontrivial repunit in base 298535.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3302041 + ... + 3328921.

It is an arithmetic number, because the mean of its divisors is an integer number (3266700640).

Almost surely, 2^89123444761 is an apocalyptic number.

It is an amenable number.

89123444761 is a deficient number, since it is larger than the sum of its proper divisors (15410975719).

89123444761 is a wasteful number, since it uses less digits than its factorization.

89123444761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27377.

The product of its digits is 1161216, while the sum is 49.

The spelling of 89123444761 in words is "eighty-nine billion, one hundred twenty-three million, four hundred forty-four thousand, seven hundred sixty-one".