86783906 has 32 divisors (see below), whose sum is σ = 150405120. Its totient is φ = 37141200.

The previous prime is 86783891. The next prime is 86783923. The reversal of 86783906 is 60938768.

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 15 ways as a sum of consecutive naturals, for example, 79295 + ... + 80381.

It is an arithmetic number, because the mean of its divisors is an integer number (4700160).

Almost surely, 2^86783906 is an apocalyptic number.

86783906 is a deficient number, since it is larger than the sum of its proper divisors (63621214).

86783906 is a wasteful number, since it uses less digits than its factorization.

86783906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 86783906 is about 9315.7879967290. The cubic root of 86783906 is about 442.7375910283.

The spelling of 86783906 in words is "eighty-six million, seven hundred eighty-three thousand, nine hundred six".