89821751039 has 16 divisors (see below), whose sum is σ = 94768483680. Its totient is φ = 84897187200.

The previous prime is 89821751027. The next prime is 89821751053. The reversal of 89821751039 is 93015712898.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 89821751039 - 2²⁸ = 89553315583 is a prime.

It is a super-3 number, since 3×89821751039³ (a number of 34 digits) contains 333 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 (89821754039) 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 15 ways as a sum of consecutive naturals, for example, 19883009 + ... + 19887525.

It is an arithmetic number, because the mean of its divisors is an integer number (5923030230).

Almost surely, 2^89821751039 is an apocalyptic number.

89821751039 is a deficient number, since it is larger than the sum of its proper divisors (4946732641).

89821751039 is a wasteful number, since it uses less digits than its factorization.

89821751039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 89821751039 in words is "eighty-nine billion, eight hundred twenty-one million, seven hundred fifty-one thousand, thirty-nine".