83021368 has 8 divisors (see below), whose sum is σ = 155665080. Its totient is φ = 41510680.

The previous prime is 83021357. The next prime is 83021369. The reversal of 83021368 is 86312038.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83021369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5188828 + ... + 5188843.

It is an arithmetic number, because the mean of its divisors is an integer number (19458135).

Almost surely, 2^83021368 is an apocalyptic number.

It is an amenable number.

83021368 is a deficient number, since it is larger than the sum of its proper divisors (72643712).

83021368 is a wasteful number, since it uses less digits than its factorization.

83021368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377677 (or 10377673 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 83021368 is about 9111.6062250297. The cubic root of 83021368 is about 436.2444971569.

The spelling of 83021368 in words is "eighty-three million, twenty-one thousand, three hundred sixty-eight".