83680030 has 16 divisors (see below), whose sum is σ = 172141920. Its totient is φ = 28690272.

The previous prime is 83680027. The next prime is 83680031. The reversal of 83680030 is 3008638.

83680030 = T₅₇₈₃ + T₅₇₈₄ + ... + T₅₇₈₇.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83680031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597645 + ... + 597784.

It is an arithmetic number, because the mean of its divisors is an integer number (10758870).

Almost surely, 2^83680030 is an apocalyptic number.

83680030 is an abundant number, since it is smaller than the sum of its proper divisors (88461890).

83680030 is a wasteful number, since it uses less digits than its factorization.

83680030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195443.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83680030 is about 9147.6789405838. The cubic root of 83680030 is about 437.3951291497.

Adding to 83680030 its reverse (3008638), we get a palindrome (86688668).

The spelling of 83680030 in words is "eighty-three million, six hundred eighty thousand, thirty".