89753523481 has 4 divisors (see below), whose sum is σ = 92648798464. Its totient is φ = 86858248500.

The previous prime is 89753523473. The next prime is 89753523491. The reversal of 89753523481 is 18432535798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89753523481 - 2³ = 89753523473 is a prime.

It is a super-2 number, since 2×89753523481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89753523491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447637445 + ... + 1447637506.

It is an arithmetic number, because the mean of its divisors is an integer number (23162199616).

Almost surely, 2^89753523481 is an apocalyptic number.

It is an amenable number.

89753523481 is a deficient number, since it is larger than the sum of its proper divisors (2895274983).

89753523481 is a wasteful number, since it uses less digits than its factorization.

89753523481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895274982.

The product of its digits is 7257600, while the sum is 55.

The spelling of 89753523481 in words is "eighty-nine billion, seven hundred fifty-three million, five hundred twenty-three thousand, four hundred eighty-one".