83690768 has 20 divisors (see below), whose sum is σ = 185315520. Its totient is φ = 35867424.

The previous prime is 83690759. The next prime is 83690773. The reversal of 83690768 is 86709638.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 373508 + ... + 373731.

It is an arithmetic number, because the mean of its divisors is an integer number (9265776).

Almost surely, 2^83690768 is an apocalyptic number.

It is an amenable number.

83690768 is an abundant number, since it is smaller than the sum of its proper divisors (101624752).

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

83690768 is a wasteful number, since it uses less digits than its factorization.

83690768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747254 (or 747248 counting only the distinct ones).

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

The square root of 83690768 is about 9148.2658465963. The cubic root of 83690768 is about 437.4138375082.

The spelling of 83690768 in words is "eighty-three million, six hundred ninety thousand, seven hundred sixty-eight".