83333280280 has 32 divisors (see below), whose sum is σ = 197368297200. Its totient is φ = 31578926976.

The previous prime is 83333280253. The next prime is 83333280287. The reversal of 83333280280 is 8208233338.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83333280287) 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, 54823767 + ... + 54825286.

Almost surely, 2^83333280280 is an apocalyptic number.

It is an amenable number.

83333280280 is an abundant number, since it is smaller than the sum of its proper divisors (114035016920).

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

83333280280 is a wasteful number, since it uses less digits than its factorization.

83333280280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109649083 (or 109649079 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 83333280280 in words is "eighty-three billion, three hundred thirty-three million, two hundred eighty thousand, two hundred eighty".