83800845 has 64 divisors (see below), whose sum is σ = 157386240. Its totient is φ = 42223104.

The previous prime is 83800789. The next prime is 83800877. The reversal of 83800845 is 54800838.

It is not a de Polignac number, because 83800845 - 2⁸ = 83800589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 425287 + ... + 425483.

It is an arithmetic number, because the mean of its divisors is an integer number (2459160).

Almost surely, 2^83800845 is an apocalyptic number.

It is an amenable number.

83800845 is a deficient number, since it is larger than the sum of its proper divisors (73585395).

83800845 is a wasteful number, since it uses less digits than its factorization.

83800845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 83800845 is about 9154.2801464670. The cubic root of 83800845 is about 437.6055277413.

The spelling of 83800845 in words is "eighty-three million, eight hundred thousand, eight hundred forty-five".