86941870 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 34079136.

The previous prime is 86941831. The next prime is 86941871. The reversal of 86941870 is 7814968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86941871) 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, 131601 + ... + 132259.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^86941870 is an apocalyptic number.

86941870 is a deficient number, since it is larger than the sum of its proper divisors (72725330).

86941870 is a wasteful number, since it uses less digits than its factorization.

86941870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 86941870 is about 9324.2624373191. The cubic root of 86941870 is about 443.0060517528.

The spelling of 86941870 in words is "eighty-six million, nine hundred forty-one thousand, eight hundred seventy".