83808530 has 32 divisors (see below), whose sum is σ = 163026864. Its totient is φ = 30836736.

The previous prime is 83808479. The next prime is 83808533. The reversal of 83808530 is 3580838.

It can be written as a sum of positive squares in 8 ways, for example, as 27363361 + 56445169 = 5231^2 + 7513^2 .

It is not an unprimeable number, because it can be changed into a prime (83808533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42854 + ... + 44766.

Almost surely, 2^83808530 is an apocalyptic number.

83808530 is a deficient number, since it is larger than the sum of its proper divisors (79218334).

83808530 is a wasteful number, since it uses less digits than its factorization.

83808530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83808530 is about 9154.6998858510. The cubic root of 83808530 is about 437.6189042798.

The spelling of 83808530 in words is "eighty-three million, eight hundred eight thousand, five hundred thirty".