88233426989 has 4 divisors (see below), whose sum is σ = 88463801856. Its totient is φ = 88003052124.

The previous prime is 88233426977. The next prime is 88233427027. The reversal of 88233426989 is 98962433288.

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-88233426989 is a prime.

It is a super-2 number, since 2×88233426989² (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 (88233426889) 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, 115186859 + ... + 115187624.

It is an arithmetic number, because the mean of its divisors is an integer number (22115950464).

Almost surely, 2^88233426989 is an apocalyptic number.

It is an amenable number.

88233426989 is a deficient number, since it is larger than the sum of its proper divisors (230374867).

88233426989 is a wasteful number, since it uses less digits than its factorization.

88233426989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230374866.

The product of its digits is 35831808, while the sum is 62.

The spelling of 88233426989 in words is "eighty-eight billion, two hundred thirty-three million, four hundred twenty-six thousand, nine hundred eighty-nine".