83926866 has 16 divisors (see below), whose sum is σ = 171425664. Its totient is φ = 27380304.

The previous prime is 83926837. The next prime is 83926873. The reversal of 83926866 is 66862938.

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 7 ways as a sum of consecutive naturals, for example, 148525 + ... + 149088.

It is an arithmetic number, because the mean of its divisors is an integer number (10714104).

Almost surely, 2^83926866 is an apocalyptic number.

83926866 is an abundant number, since it is smaller than the sum of its proper divisors (87498798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83926866 is a wasteful number, since it uses less digits than its factorization.

83926866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297665.

The product of its digits is 746496, while the sum is 48.

The square root of 83926866 is about 9161.1607343175. The cubic root of 83926866 is about 437.8247771828.

The spelling of 83926866 in words is "eighty-three million, nine hundred twenty-six thousand, eight hundred sixty-six".