86781741 has 16 divisors (see below), whose sum is σ = 119708160. Its totient is φ = 55863360.

The previous prime is 86781713. The next prime is 86781749. The reversal of 86781741 is 14718768.

It is a happy number.

It is not a de Polignac number, because 86781741 - 2⁶ = 86781677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86781693 and 86781702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86781749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60015 + ... + 61443.

It is an arithmetic number, because the mean of its divisors is an integer number (7481760).

Almost surely, 2^86781741 is an apocalyptic number.

It is an amenable number.

86781741 is a deficient number, since it is larger than the sum of its proper divisors (32926419).

86781741 is a wasteful number, since it uses less digits than its factorization.

86781741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its digits is 75264, while the sum is 42.

The square root of 86781741 is about 9315.6717954209. The cubic root of 86781741 is about 442.7339093363.

The spelling of 86781741 in words is "eighty-six million, seven hundred eighty-one thousand, seven hundred forty-one".