89839526399 has 4 divisors (see below), whose sum is σ = 102673744464. Its totient is φ = 77005308336.

The previous prime is 89839526389. The next prime is 89839526407. The reversal of 89839526399 is 99362593898.

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

It is a cyclic number.

It is not a de Polignac number, because 89839526399 - 2¹² = 89839522303 is a prime.

It is a super-2 number, since 2×89839526399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89839526389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6417109022 + ... + 6417109035.

It is an arithmetic number, because the mean of its divisors is an integer number (25668436116).

Almost surely, 2^89839526399 is an apocalyptic number.

89839526399 is a deficient number, since it is larger than the sum of its proper divisors (12834218065).

89839526399 is a wasteful number, since it uses less digits than its factorization.

89839526399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834218064.

The product of its digits is 226748160, while the sum is 71.

The spelling of 89839526399 in words is "eighty-nine billion, eight hundred thirty-nine million, five hundred twenty-six thousand, three hundred ninety-nine".