89226817997 has 4 divisors (see below), whose sum is σ = 91301860320. Its totient is φ = 87151775676.

The previous prime is 89226817993. The next prime is 89226818017. The reversal of 89226817997 is 79971862298.

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 not a de Polignac number, because 89226817997 - 2² = 89226817993 is a prime.

It is a super-2 number, since 2×89226817997² (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 (89226817993) 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, 1037521097 + ... + 1037521182.

It is an arithmetic number, because the mean of its divisors is an integer number (22825465080).

Almost surely, 2^89226817997 is an apocalyptic number.

It is an amenable number.

89226817997 is a deficient number, since it is larger than the sum of its proper divisors (2075042323).

89226817997 is a wasteful number, since it uses less digits than its factorization.

89226817997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075042322.

The product of its digits is 54867456, while the sum is 68.

The spelling of 89226817997 in words is "eighty-nine billion, two hundred twenty-six million, eight hundred seventeen thousand, nine hundred ninety-seven".