86870378 has 16 divisors (see below), whose sum is σ = 149544384. Its totient is φ = 37074240.

The previous prime is 86870359. The next prime is 86870383. The reversal of 86870378 is 87307868.

It is a nialpdrome in base 14.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9500 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (9346524).

Almost surely, 2^86870378 is an apocalyptic number.

86870378 is a deficient number, since it is larger than the sum of its proper divisors (62674006).

86870378 is a wasteful number, since it uses less digits than its factorization.

86870378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25997.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 86870378 is about 9320.4279944646. The cubic root of 86870378 is about 442.8845910047.

The spelling of 86870378 in words is "eighty-six million, eight hundred seventy thousand, three hundred seventy-eight".