82988811 has 12 divisors (see below), whose sum is σ = 120483792. Its totient is φ = 55043856.

The previous prime is 82988779. The next prime is 82988821. The reversal of 82988811 is 11888928.

It is not a de Polignac number, because 82988811 - 2⁵ = 82988779 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82988821) 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, 21631 + ... + 25176.

It is an arithmetic number, because the mean of its divisors is an integer number (10040316).

Almost surely, 2^82988811 is an apocalyptic number.

82988811 is a deficient number, since it is larger than the sum of its proper divisors (37494981).

82988811 is a wasteful number, since it uses less digits than its factorization.

82988811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47010 (or 47007 counting only the distinct ones).

The product of its digits is 73728, while the sum is 45.

The square root of 82988811 is about 9109.8194822949. The cubic root of 82988811 is about 436.1874649760.

The spelling of 82988811 in words is "eighty-two million, nine hundred eighty-eight thousand, eight hundred eleven".