86087878 has 8 divisors (see below), whose sum is σ = 130900968. Its totient is φ = 42454224.

The previous prime is 86087861. The next prime is 86087887. The reversal of 86087878 is 87878068.

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

It is a super-2 number, since 2×86087878² = 14822245477085768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294676 + ... + 294967.

It is an arithmetic number, because the mean of its divisors is an integer number (16362621).

Almost surely, 2^86087878 is an apocalyptic number.

86087878 is a deficient number, since it is larger than the sum of its proper divisors (44813090).

86087878 is a wasteful number, since it uses less digits than its factorization.

86087878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589718.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The square root of 86087878 is about 9278.3553499529. The cubic root of 86087878 is about 441.5507915471.

The spelling of 86087878 in words is "eighty-six million, eighty-seven thousand, eight hundred seventy-eight".