83868766 has 8 divisors (see below), whose sum is σ = 125915904. Its totient is φ = 41896800.

The previous prime is 83868709. The next prime is 83868767. The reversal of 83868766 is 66786838.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83868767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15915 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (15739488).

Almost surely, 2^83868766 is an apocalyptic number.

83868766 is a deficient number, since it is larger than the sum of its proper divisors (42047138).

83868766 is a wasteful number, since it uses less digits than its factorization.

83868766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37586.

The product of its digits is 2322432, while the sum is 52.

The square root of 83868766 is about 9157.9891897730. The cubic root of 83868766 is about 437.7237229638.

The spelling of 83868766 in words is "eighty-three million, eight hundred sixty-eight thousand, seven hundred sixty-six".