86881560 has 64 divisors (see below), whose sum is σ = 275983200. Its totient is φ = 21805056.

The previous prime is 86881559. The next prime is 86881567. The reversal of 86881560 is 6518868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86881567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19255 + ... + 23334.

Almost surely, 2^86881560 is an apocalyptic number.

It is an amenable number.

86881560 is an abundant number, since it is smaller than the sum of its proper divisors (189101640).

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

86881560 is a wasteful number, since it uses less digits than its factorization.

86881560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42620 (or 42616 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 86881560 is about 9321.0278403189. The cubic root of 86881560 is about 442.9035929674.

It can be divided in two parts, 868 and 81560, that added together give a palindrome (82428).

The spelling of 86881560 in words is "eighty-six million, eight hundred eighty-one thousand, five hundred sixty".