86841278 has 8 divisors (see below), whose sum is σ = 130301568. Its totient is φ = 43407424.

The previous prime is 86841277. The next prime is 86841299. The reversal of 86841278 is 87214868.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86841277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8675 + ... + 15777.

It is an arithmetic number, because the mean of its divisors is an integer number (16287696).

Almost surely, 2^86841278 is an apocalyptic number.

86841278 is a deficient number, since it is larger than the sum of its proper divisors (43460290).

86841278 is a wasteful number, since it uses less digits than its factorization.

86841278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218.

The product of its digits is 172032, while the sum is 44.

The square root of 86841278 is about 9318.8667765990. The cubic root of 86841278 is about 442.8351327151.

The spelling of 86841278 in words is "eighty-six million, eight hundred forty-one thousand, two hundred seventy-eight".