83533280831 has 16 divisors (see below), whose sum is σ = 112156574208. Its totient is φ = 60083877600.

The previous prime is 83533280807. The next prime is 83533280891. The reversal of 83533280831 is 13808233538.

It is a cyclic number.

It is not a de Polignac number, because 83533280831 - 2²² = 83529086527 is a prime.

It is a super-2 number, since 2×83533280831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83533280801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41723915 + ... + 41725916.

It is an arithmetic number, because the mean of its divisors is an integer number (7009785888).

Almost surely, 2^83533280831 is an apocalyptic number.

83533280831 is a deficient number, since it is larger than the sum of its proper divisors (28623293377).

83533280831 is a wasteful number, since it uses less digits than its factorization.

83533280831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83449862.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 83533280831 in words is "eighty-three billion, five hundred thirty-three million, two hundred eighty thousand, eight hundred thirty-one".