83766768 has 20 divisors (see below), whose sum is σ = 216397608. Its totient is φ = 27922240.

The previous prime is 83766751. The next prime is 83766799. The reversal of 83766768 is 86766738.

It is a self number, because there is not a number n which added to its sum of digits gives 83766768.

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, 872523 + ... + 872618.

Almost surely, 2^83766768 is an apocalyptic number.

It is an amenable number.

83766768 is an abundant number, since it is smaller than the sum of its proper divisors (132630840).

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

83766768 is a wasteful number, since it uses less digits than its factorization.

83766768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745152 (or 1745146 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 83766768 is about 9152.4186967162. The cubic root of 83766768 is about 437.5462033381.

The spelling of 83766768 in words is "eighty-three million, seven hundred sixty-six thousand, seven hundred sixty-eight".