89694248285 has 4 divisors (see below), whose sum is σ = 107633097948. Its totient is φ = 71755398624.

The previous prime is 89694248279. The next prime is 89694248297. The reversal of 89694248285 is 58284249698.

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 47150648164 + 42543600121 = 217142^2 + 206261^2 .

It is a cyclic number.

It is not a de Polignac number, because 89694248285 - 2¹⁸ = 89693986141 is a prime.

It is a super-2 number, since 2×89694248285² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8969424824 + ... + 8969424833.

It is an arithmetic number, because the mean of its divisors is an integer number (26908274487).

Almost surely, 2^89694248285 is an apocalyptic number.

It is an amenable number.

89694248285 is a deficient number, since it is larger than the sum of its proper divisors (17938849663).

89694248285 is a wasteful number, since it uses less digits than its factorization.

89694248285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938849662.

The product of its digits is 79626240, while the sum is 65.

The spelling of 89694248285 in words is "eighty-nine billion, six hundred ninety-four million, two hundred forty-eight thousand, two hundred eighty-five".