83285631 has 96 divisors (see below), whose sum is σ = 152832960. Its totient is φ = 44478720.

The previous prime is 83285581. The next prime is 83285641. The reversal of 83285631 is 13658238.

It is not a de Polignac number, because 83285631 - 2¹⁷ = 83154559 is a prime.

It is a super-2 number, since 2×83285631² = 13872992662136322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83285641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1571401 + ... + 1571453.

It is an arithmetic number, because the mean of its divisors is an integer number (1592010).

Almost surely, 2^83285631 is an apocalyptic number.

83285631 is a deficient number, since it is larger than the sum of its proper divisors (69547329).

83285631 is a wasteful number, since it uses less digits than its factorization.

83285631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 117 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 83285631 is about 9126.0961533396. The cubic root of 83285631 is about 436.7068728073.

The spelling of 83285631 in words is "eighty-three million, two hundred eighty-five thousand, six hundred thirty-one".