89619761 has 16 divisors (see below), whose sum is σ = 113633280. Its totient is φ = 68646480.

The previous prime is 89619757. The next prime is 89619769. The reversal of 89619761 is 16791698.

It is not a de Polignac number, because 89619761 - 2² = 89619757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89619769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5321 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (7102080).

Almost surely, 2^89619761 is an apocalyptic number.

It is an amenable number.

89619761 is a deficient number, since it is larger than the sum of its proper divisors (24013519).

89619761 is a wasteful number, since it uses less digits than its factorization.

89619761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804.

The product of its digits is 163296, while the sum is 47.

The square root of 89619761 is about 9466.7714137397. The cubic root of 89619761 is about 447.5084708612.

The spelling of 89619761 in words is "eighty-nine million, six hundred nineteen thousand, seven hundred sixty-one".