82988969 has 4 divisors (see below), whose sum is σ = 94844544. Its totient is φ = 71133396.

The previous prime is 82988957. The next prime is 82988993. The reversal of 82988969 is 96988928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82988969 - 2²⁰ = 81940393 is a prime.

It is a super-2 number, since 2×82988969² = 13774337951365922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82988909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5927777 + ... + 5927790.

It is an arithmetic number, because the mean of its divisors is an integer number (23711136).

Almost surely, 2^82988969 is an apocalyptic number.

It is an amenable number.

82988969 is a deficient number, since it is larger than the sum of its proper divisors (11855575).

82988969 is a wasteful number, since it uses less digits than its factorization.

82988969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855574.

The product of its digits is 4478976, while the sum is 59.

The square root of 82988969 is about 9109.8281542519. The cubic root of 82988969 is about 436.1877417907.

It can be divided in two parts, 829 and 88969, that added together give a palindrome (89798).

The spelling of 82988969 in words is "eighty-two million, nine hundred eighty-eight thousand, nine hundred sixty-nine".