83090700 has 324 divisors, whose sum is σ = 330169840. Its totient is φ = 17107200.

The previous prime is 83090671. The next prime is 83090731. The reversal of 83090700 is 709038.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 762246 + ... + 762354.

Almost surely, 2^83090700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83090700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165084920).

83090700 is an abundant number, since it is smaller than the sum of its proper divisors (247079140).

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

83090700 is a wasteful number, since it uses less digits than its factorization.

83090700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 83090700 is about 9115.4100291759. The cubic root of 83090700 is about 436.3659007932.

Adding to 83090700 its reverse (709038), we get a palindrome (83799738).

The spelling of 83090700 in words is "eighty-three million, ninety thousand, seven hundred".