86698880 has 32 divisors (see below), whose sum is σ = 207266040. Its totient is φ = 34679296.

The previous prime is 86698867. The next prime is 86698883. The reversal of 86698880 is 8889668.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86698883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67094 + ... + 68373.

Almost surely, 2^86698880 is an apocalyptic number.

86698880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86698880 is an abundant number, since it is smaller than the sum of its proper divisors (120567160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86698880 is a wasteful number, since it uses less digits than its factorization.

86698880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135486 (or 135474 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 86698880 is about 9311.2233353088. The cubic root of 86698880 is about 442.5929539685.

It can be divided in two parts, 86698 and 880, that added together give a palindrome (87578).

The spelling of 86698880 in words is "eighty-six million, six hundred ninety-eight thousand, eight hundred eighty".