89873194079881 has 4 divisors (see below), whose sum is σ = 89873229506832. Its totient is φ = 89873158652932.

The previous prime is 89873194079863. The next prime is 89873194079909. The reversal of 89873194079881 is 18897049137898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89873194079881 is a prime.

It is a super-2 number, since 2×89873194079881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89873194079795 and 89873194079804.

It is not an unprimeable number, because it can be changed into a prime (89873194079381) 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, 13587895 + ... + 19088668.

It is an arithmetic number, because the mean of its divisors is an integer number (22468307376708).

Almost surely, 2^{89873194079881} is an apocalyptic number.

It is an amenable number.

89873194079881 is a deficient number, since it is larger than the sum of its proper divisors (35426951).

89873194079881 is a wasteful number, since it uses less digits than its factorization.

89873194079881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426950.

The product of its (nonzero) digits is 1755758592, while the sum is 82.

The spelling of 89873194079881 in words is "eighty-nine trillion, eight hundred seventy-three billion, one hundred ninety-four million, seventy-nine thousand, eight hundred eighty-one".