83405426281 has 8 divisors (see below), whose sum is σ = 83767334400. Its totient is φ = 83043626400.

The previous prime is 83405426267. The next prime is 83405426297. The reversal of 83405426281 is 18262450438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83405426281 - 2²⁹ = 82868555369 is a prime.

It is a super-2 number, since 2×83405426281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83405426201) 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, 1776256 + ... + 1822606.

It is an arithmetic number, because the mean of its divisors is an integer number (10470916800).

Almost surely, 2^83405426281 is an apocalyptic number.

It is an amenable number.

83405426281 is a deficient number, since it is larger than the sum of its proper divisors (361908119).

83405426281 is a wasteful number, since it uses less digits than its factorization.

83405426281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54119.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 83405426281 in words is "eighty-three billion, four hundred five million, four hundred twenty-six thousand, two hundred eighty-one".