89253500661 has 24 divisors (see below), whose sum is σ = 138856009656. Its totient is φ = 54918414720.

The previous prime is 89253500639. The next prime is 89253500663. The reversal of 89253500661 is 16600535298.

89253500661 is a `hidden beast` number, since 8 + 92 + 53 + 500 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5272938225 + 83980562436 = 72615^2 + 289794^2 .

It is not a de Polignac number, because 89253500661 - 2¹³ = 89253492469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89253500663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997591 + ... + 1083371.

It is an arithmetic number, because the mean of its divisors is an integer number (5785667069).

Almost surely, 2^89253500661 is an apocalyptic number.

It is an amenable number.

89253500661 is a deficient number, since it is larger than the sum of its proper divisors (49602508995).

89253500661 is a wasteful number, since it uses less digits than its factorization.

89253500661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94693 (or 94690 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 89253500661 in words is "eighty-nine billion, two hundred fifty-three million, five hundred thousand, six hundred sixty-one".