89158372693 has 4 divisors (see below), whose sum is σ = 96016709068. Its totient is φ = 82300036320.

The previous prime is 89158372643. The next prime is 89158372729. The reversal of 89158372693 is 39627385198.

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 48506538564 + 40651834129 = 220242^2 + 201623^2 .

It is a cyclic number.

It is not a de Polignac number, because 89158372693 - 2¹⁷ = 89158241621 is a prime.

It is a super-3 number, since 3×89158372693³ (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 (89158372643) 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, 3429168168 + ... + 3429168193.

It is an arithmetic number, because the mean of its divisors is an integer number (24004177267).

Almost surely, 2^89158372693 is an apocalyptic number.

It is an amenable number.

89158372693 is a deficient number, since it is larger than the sum of its proper divisors (6858336375).

89158372693 is a wasteful number, since it uses less digits than its factorization.

89158372693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858336374.

The product of its digits is 19595520, while the sum is 61.

The spelling of 89158372693 in words is "eighty-nine billion, one hundred fifty-eight million, three hundred seventy-two thousand, six hundred ninety-three".