89257183973 has 2 divisors, whose sum is σ = 89257183974. Its totient is φ = 89257183972.

The previous prime is 89257183931. The next prime is 89257184021. The reversal of 89257183973 is 37938175298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80121265249 + 9135918724 = 283057^2 + 95582^2 .

It is a cyclic number.

It is not a de Polignac number, because 89257183973 - 2¹⁴ = 89257167589 is a prime.

It is a super-3 number, since 3×89257183973³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89257183913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44628591986 + 44628591987.

It is an arithmetic number, because the mean of its divisors is an integer number (44628591987).

Almost surely, 2^89257183973 is an apocalyptic number.

It is an amenable number.

89257183973 is a deficient number, since it is larger than the sum of its proper divisors (1).

89257183973 is an equidigital number, since it uses as much as digits as its factorization.

89257183973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 62.

The spelling of 89257183973 in words is "eighty-nine billion, two hundred fifty-seven million, one hundred eighty-three thousand, nine hundred seventy-three".