89853685749 has 32 divisors (see below), whose sum is σ = 133718000000. Its totient is φ = 59632215552.

The previous prime is 89853685739. The next prime is 89853685763. The reversal of 89853685749 is 94758635898.

89853685749 is a `hidden beast` number, since 8 + 9 + 8 + 536 + 85 + 7 + 4 + 9 = 666.

It is not a de Polignac number, because 89853685749 - 2⁵ = 89853685717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89853685739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9336462 + ... + 9346080.

It is an arithmetic number, because the mean of its divisors is an integer number (4178687500).

Almost surely, 2^89853685749 is an apocalyptic number.

It is an amenable number.

89853685749 is a deficient number, since it is larger than the sum of its proper divisors (43864314251).

89853685749 is a wasteful number, since it uses less digits than its factorization.

89853685749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154 (or 11148 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 89853685749 in words is "eighty-nine billion, eight hundred fifty-three million, six hundred eighty-five thousand, seven hundred forty-nine".