83135650 has 48 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 30288960.

The previous prime is 83135609. The next prime is 83135681. The reversal of 83135650 is 5653138.

Together with 85603550 it forms an amicable pair .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50541 + ... + 52159.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 2^83135650 is an apocalyptic number.

83135650 is an abundant number, since it is smaller than the sum of its proper divisors (85603550).

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

83135650 is a wasteful number, since it uses less digits than its factorization.

83135650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 83135650 is about 9117.8753007485. The cubic root of 83135650 is about 436.4445743041. Note that the first 3 decimals are identical.

Adding to 83135650 its reverse (5653138), we get a palindrome (88788788).

It can be divided in two parts, 831 and 35650, that added together give a square (36481 = 191²).

The spelling of 83135650 in words is "eighty-three million, one hundred thirty-five thousand, six hundred fifty".