89654598857 has 4 divisors (see below), whose sum is σ = 89656448916. Its totient is φ = 89652748800.

The previous prime is 89654598769. The next prime is 89654598863. The reversal of 89654598857 is 75889545698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27184095376 + 62470503481 = 164876^2 + 249941^2 .

It is a cyclic number.

It is not a de Polignac number, because 89654598857 - 2²⁶ = 89587489993 is a prime.

It is a super-3 number, since 3×89654598857³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89654598457) 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, 850328 + ... + 949929.

It is an arithmetic number, because the mean of its divisors is an integer number (22414112229).

Almost surely, 2^89654598857 is an apocalyptic number.

It is an amenable number.

89654598857 is a deficient number, since it is larger than the sum of its proper divisors (1850059).

89654598857 is a wasteful number, since it uses less digits than its factorization.

89654598857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850058.

The product of its digits is 870912000, while the sum is 74.

The spelling of 89654598857 in words is "eighty-nine billion, six hundred fifty-four million, five hundred ninety-eight thousand, eight hundred fifty-seven".