86988698 has 16 divisors (see below), whose sum is σ = 133266600. Its totient is φ = 42575616.

The previous prime is 86988673. The next prime is 86988701. The reversal of 86988698 is 89688968.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56595529 + 30393169 = 7523^2 + 5513^2 .

It is a super-3 number, since 3×86988698³ (a number of 25 digits) contains 333 as substring.

86988698 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 86988698.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17828 + ... + 22176.

Almost surely, 2^86988698 is an apocalyptic number.

86988698 is a deficient number, since it is larger than the sum of its proper divisors (46277902).

86988698 is a wasteful number, since it uses less digits than its factorization.

86988698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561.

The product of its digits is 11943936, while the sum is 62.

The square root of 86988698 is about 9326.7731826179. The cubic root of 86988698 is about 443.0855737138.

The spelling of 86988698 in words is "eighty-six million, nine hundred eighty-eight thousand, six hundred ninety-eight".