86087810 has 16 divisors (see below), whose sum is σ = 155947896. Its totient is φ = 34215168.

The previous prime is 86087797. The next prime is 86087819. The reversal of 86087810 is 1878068.

It can be written as a sum of positive squares in 4 ways, for example, as 61575409 + 24512401 = 7847^2 + 4951^2 .

It is a super-2 number, since 2×86087810² = 14822222061192200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86087819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25847 + ... + 28986.

Almost surely, 2^86087810 is an apocalyptic number.

86087810 is a deficient number, since it is larger than the sum of its proper divisors (69860086).

86087810 is a wasteful number, since it uses less digits than its factorization.

86087810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54997.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 86087810 is about 9278.3516855097. The cubic root of 86087810 is about 441.5506752882.

The spelling of 86087810 in words is "eighty-six million, eighty-seven thousand, eight hundred ten".