83280033553 has 8 divisors (see below), whose sum is σ = 83529072200. Its totient is φ = 83031257088.

The previous prime is 83280033547. The next prime is 83280033563. The reversal of 83280033553 is 35533008238.

It can be written as a sum of positive squares in 4 ways, for example, as 4328587264 + 78951446289 = 65792^2 + 280983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83280033553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83280033503) 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, 580153 + ... + 709321.

It is an arithmetic number, because the mean of its divisors is an integer number (10441134025).

Almost surely, 2^83280033553 is an apocalyptic number.

It is an amenable number.

83280033553 is a deficient number, since it is larger than the sum of its proper divisors (249038647).

83280033553 is a wasteful number, since it uses less digits than its factorization.

83280033553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131091.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 83280033553 in words is "eighty-three billion, two hundred eighty million, thirty-three thousand, five hundred fifty-three".