83381453980 has 48 divisors (see below), whose sum is σ = 191140798464. Its totient is φ = 30301248320.

The previous prime is 83381453917. The next prime is 83381453989. The reversal of 83381453980 is 8935418338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83381453989) 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 15 ways as a sum of consecutive naturals, for example, 228549 + ... + 467971.

It is an arithmetic number, because the mean of its divisors is an integer number (3982099968).

Almost surely, 2^83381453980 is an apocalyptic number.

It is an amenable number.

83381453980 is an abundant number, since it is smaller than the sum of its proper divisors (107759344484).

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

83381453980 is a wasteful number, since it uses less digits than its factorization.

83381453980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241026 (or 241024 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 83381453980 in words is "eighty-three billion, three hundred eighty-one million, four hundred fifty-three thousand, nine hundred eighty".