86881045 has 8 divisors (see below), whose sum is σ = 106224696. Its totient is φ = 68193216.

The previous prime is 86881001. The next prime is 86881063. The reversal of 86881045 is 54018868.

It can be written as a sum of positive squares in 4 ways, for example, as 651249 + 86229796 = 807^2 + 9286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86881045 - 2⁷ = 86880917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86880989 and 86881007.

It is a congruent number.

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, 163662 + ... + 164191.

It is an arithmetic number, because the mean of its divisors is an integer number (13278087).

Almost surely, 2^86881045 is an apocalyptic number.

It is an amenable number.

86881045 is a deficient number, since it is larger than the sum of its proper divisors (19343651).

86881045 is a wasteful number, since it uses less digits than its factorization.

86881045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327911.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 86881045 is about 9321.0002145692. Note that the first 3 decimals coincide. The cubic root of 86881045 is about 442.9027178457.

The spelling of 86881045 in words is "eighty-six million, eight hundred eighty-one thousand, forty-five".