83288971 has 12 divisors (see below), whose sum is σ = 87320640. Its totient is φ = 79354080.

The previous prime is 83288969. The next prime is 83289007. The reversal of 83288971 is 17988238.

It is not a de Polignac number, because 83288971 - 2¹ = 83288969 is a prime.

It is a super-3 number, since 3×83288971³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83288921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530425 + ... + 530581.

It is an arithmetic number, because the mean of its divisors is an integer number (7276720).

Almost surely, 2^83288971 is an apocalyptic number.

83288971 is a deficient number, since it is larger than the sum of its proper divisors (4031669).

83288971 is a wasteful number, since it uses less digits than its factorization.

83288971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 297 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 83288971 is about 9126.2791432215. The cubic root of 83288971 is about 436.7127104748.

The spelling of 83288971 in words is "eighty-three million, two hundred eighty-eight thousand, nine hundred seventy-one".