86919806 has 8 divisors (see below), whose sum is σ = 136048464. Its totient is φ = 41570320.

The previous prime is 86919799. The next prime is 86919839. The reversal of 86919806 is 60891968.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944735 + ... + 944826.

It is an arithmetic number, because the mean of its divisors is an integer number (17006058).

Almost surely, 2^86919806 is an apocalyptic number.

86919806 is a deficient number, since it is larger than the sum of its proper divisors (49128658).

86919806 is a wasteful number, since it uses less digits than its factorization.

86919806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889586.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 86919806 is about 9323.0792123633. The cubic root of 86919806 is about 442.9685734067.

The spelling of 86919806 in words is "eighty-six million, nine hundred nineteen thousand, eight hundred six".