88615168489 has 3 divisors (see below), whose sum is σ = 88615466173. Its totient is φ = 88614870806.

The previous prime is 88615168487. The next prime is 88615168501. The reversal of 88615168489 is 98486151688.

The square root of 88615168489 is 297683.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 88615168489 - 2¹ = 88615168487 is a prime.

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 88615168489.

It is not an unprimeable number, because it can be changed into a prime (88615168487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148842 + ... + 446524.

Almost surely, 2^88615168489 is an apocalyptic number.

88615168489 is the 297683-rd square number.

88615168489 is the 148842-nd centered octagonal number.

It is an amenable number.

88615168489 is a deficient number, since it is larger than the sum of its proper divisors (297684).

88615168489 is an frugal number, since it uses more digits than its factorization.

88615168489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595366 (or 297683 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 64.

Multiplying 88615168489 by its sum of digits (64), we get a square (5671370783296 = 2381464²).

The spelling of 88615168489 in words is "eighty-eight billion, six hundred fifteen million, one hundred sixty-eight thousand, four hundred eighty-nine".