83307768 has 32 divisors (see below), whose sum is σ = 209328000. Its totient is φ = 27628128.

The previous prime is 83307751. The next prime is 83307773. The reversal of 83307768 is 86770338.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946 + ... + 13497.

It is an arithmetic number, because the mean of its divisors is an integer number (6541500).

Almost surely, 2^83307768 is an apocalyptic number.

It is an amenable number.

83307768 is an abundant number, since it is smaller than the sum of its proper divisors (126020232).

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

83307768 is a wasteful number, since it uses less digits than its factorization.

83307768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17651 (or 17647 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 83307768 is about 9127.3089133654. The cubic root of 83307768 is about 436.7455610481.

The spelling of 83307768 in words is "eighty-three million, three hundred seven thousand, seven hundred sixty-eight".