83827730 has 24 divisors (see below), whose sum is σ = 175526028. Its totient is φ = 28740768.

The previous prime is 83827729. The next prime is 83827781. The reversal of 83827730 is 3772838.

It can be written as a sum of positive squares in 2 ways, for example, as 82428241 + 1399489 = 9079^2 + 1183^2 .

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, 85049 + ... + 86028.

Almost surely, 2^83827730 is an apocalyptic number.

83827730 is an abundant number, since it is smaller than the sum of its proper divisors (91698298).

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

83827730 is a wasteful number, since it uses less digits than its factorization.

83827730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171098 (or 171091 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 83827730 is about 9155.7484674930. The cubic root of 83827730 is about 437.6523202952.

The spelling of 83827730 in words is "eighty-three million, eight hundred twenty-seven thousand, seven hundred thirty".