86988663 has 6 divisors (see below), whose sum is σ = 125650304. Its totient is φ = 57992436.

The previous prime is 86988653. The next prime is 86988667. The reversal of 86988663 is 36688968.

It is not a de Polignac number, because 86988663 - 2¹⁰ = 86987639 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 (86988667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4832695 + ... + 4832712.

Almost surely, 2^86988663 is an apocalyptic number.

86988663 is a deficient number, since it is larger than the sum of its proper divisors (38661641).

86988663 is a wasteful number, since it uses less digits than its factorization.

86988663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665413 (or 9665410 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 86988663 is about 9326.7713062989. The cubic root of 86988663 is about 443.0855142885.

The spelling of 86988663 in words is "eighty-six million, nine hundred eighty-eight thousand, six hundred sixty-three".