89955605476 has 27 divisors (see below), whose sum is σ = 173047132713. Its totient is φ = 40885912320.

The previous prime is 89955605473. The next prime is 89955605521. The reversal of 89955605476 is 67450655998.

The square root of 89955605476 is 299926.

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

It can be written as a sum of positive squares in only one way, i.e., 63509040100 + 26446565376 = 252010^2 + 162624^2 .

It is a super-2 number, since 2×89955605476² (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 (89955605471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6591556 + ... + 6605188.

Almost surely, 2^89955605476 is an apocalyptic number.

89955605476 is the 299926-th square number.

It is an amenable number.

89955605476 is a deficient number, since it is larger than the sum of its proper divisors (83091527237).

89955605476 is an equidigital number, since it uses as much as digits as its factorization.

89955605476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27292 (or 13646 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 64.

Multiplying 89955605476 by its sum of digits (64), we get a square (5757158750464 = 2399408²).

The spelling of 89955605476 in words is "eighty-nine billion, nine hundred fifty-five million, six hundred five thousand, four hundred seventy-six".