86769081 has 24 divisors (see below), whose sum is σ = 143607360. Its totient is φ = 49454496.

The previous prime is 86769049. The next prime is 86769091. The reversal of 86769081 is 18096768.

It is a happy number.

It is not a de Polignac number, because 86769081 - 2⁵ = 86769049 is a prime.

It is a super-2 number, since 2×86769081² = 15057746835169122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86769091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26355 + ... + 29463.

It is an arithmetic number, because the mean of its divisors is an integer number (5983640).

Almost surely, 2^86769081 is an apocalyptic number.

It is an amenable number.

86769081 is a deficient number, since it is larger than the sum of its proper divisors (56838279).

86769081 is a wasteful number, since it uses less digits than its factorization.

86769081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86769081 is about 9314.9922705282. The cubic root of 86769081 is about 442.7123791395.

The spelling of 86769081 in words is "eighty-six million, seven hundred sixty-nine thousand, eighty-one".