89824860901 has 4 divisors (see below), whose sum is σ = 89825581804. Its totient is φ = 89824140000.

The previous prime is 89824860893. The next prime is 89824860911. The reversal of 89824860901 is 10906842898.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 15369552676 + 74455308225 = 123974^2 + 272865^2 .

It is a cyclic number.

It is not a de Polignac number, because 89824860901 - 2³ = 89824860893 is a prime.

It is a deceptive number, since it divides R_89824860900.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89824860911) 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, 120150 + ... + 440551.

It is an arithmetic number, because the mean of its divisors is an integer number (22456395451).

It is a Poulet number, since it divides 2^89824860900-1.

Almost surely, 2^89824860901 is an apocalyptic number.

89824860901 is the 160201-st nonagonal number.

It is an amenable number.

89824860901 is a deficient number, since it is larger than the sum of its proper divisors (720903).

89824860901 is a wasteful number, since it uses less digits than its factorization.

89824860901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720902.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 89824860901 in words is "eighty-nine billion, eight hundred twenty-four million, eight hundred sixty thousand, nine hundred one".