88257116989 has 8 divisors (see below), whose sum is σ = 94306041720. Its totient is φ = 82303451136.

The previous prime is 88257116977. The next prime is 88257117017. The reversal of 88257116989 is 98961175288.

It can be written as a sum of positive squares in 4 ways, for example, as 47455136964 + 40801980025 = 217842^2 + 201995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88257116989 - 2⁵ = 88257116957 is a prime.

It is a super-2 number, since 2×88257116989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88257116989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88257116789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23812804 + ... + 23816509.

It is an arithmetic number, because the mean of its divisors is an integer number (11788255215).

Almost surely, 2^88257116989 is an apocalyptic number.

It is an amenable number.

88257116989 is a deficient number, since it is larger than the sum of its proper divisors (6048924731).

88257116989 is a wasteful number, since it uses less digits than its factorization.

88257116989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47629439.

The product of its digits is 17418240, while the sum is 64.

The spelling of 88257116989 in words is "eighty-eight billion, two hundred fifty-seven million, one hundred sixteen thousand, nine hundred eighty-nine".