83127730 has 16 divisors (see below), whose sum is σ = 171005760. Its totient is φ = 28500912.

The previous prime is 83127703. The next prime is 83127731. The reversal of 83127730 is 3772138.

It is a junction number, because it is equal to n+sod(n) for n = 83127692 and 83127701.

It is not an unprimeable number, because it can be changed into a prime (83127731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593700 + ... + 593839.

It is an arithmetic number, because the mean of its divisors is an integer number (10687860).

Almost surely, 2^83127730 is an apocalyptic number.

83127730 is an abundant number, since it is smaller than the sum of its proper divisors (87878030).

83127730 is a wasteful number, since it uses less digits than its factorization.

83127730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187553.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 83127730 is about 9117.4409786957. The cubic root of 83127730 is about 436.4307144225.

Adding to 83127730 its reverse (3772138), we get a palindrome (86899868).

It can be divided in two parts, 831 and 27730, that added together give a 4-th power (28561 = 13⁴).

The spelling of 83127730 in words is "eighty-three million, one hundred twenty-seven thousand, seven hundred thirty".