88111986309 has 24 divisors (see below), whose sum is σ = 131690683904. Its totient is φ = 56711340000.

The previous prime is 88111986299. The next prime is 88111986329. The reversal of 88111986309 is 90368911188.

It is not a de Polignac number, because 88111986309 - 2¹⁶ = 88111920773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88111986329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257617 + ... + 492534.

Almost surely, 2^88111986309 is an apocalyptic number.

It is an amenable number.

88111986309 is a deficient number, since it is larger than the sum of its proper divisors (43578697595).

88111986309 is a wasteful number, since it uses less digits than its factorization.

88111986309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750609 (or 750606 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 88111986309 in words is "eighty-eight billion, one hundred eleven million, nine hundred eighty-six thousand, three hundred nine".