83868650 has 24 divisors (see below), whose sum is σ = 165173580. Its totient is φ = 31573760.

The previous prime is 83868647. The next prime is 83868661. The reversal of 83868650 is 5686838.

It can be written as a sum of positive squares in 6 ways, for example, as 17397241 + 66471409 = 4171^2 + 8153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48485 + ... + 50184.

Almost surely, 2^83868650 is an apocalyptic number.

83868650 is a deficient number, since it is larger than the sum of its proper divisors (81304930).

83868650 is a wasteful number, since it uses less digits than its factorization.

83868650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98698 (or 98693 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 83868650 is about 9157.9828565028. The cubic root of 83868650 is about 437.7235211565.

The spelling of 83868650 in words is "eighty-three million, eight hundred sixty-eight thousand, six hundred fifty".