82900891 has 8 divisors (see below), whose sum is σ = 89217504. Its totient is φ = 76744320.

The previous prime is 82900877. The next prime is 82900897. The reversal of 82900891 is 19800928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82900891 - 2⁹ = 82900379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82900891.

It is not an unprimeable number, because it can be changed into a prime (82900897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38935 + ... + 41008.

It is an arithmetic number, because the mean of its divisors is an integer number (11152188).

Almost surely, 2^82900891 is an apocalyptic number.

82900891 is a deficient number, since it is larger than the sum of its proper divisors (6316613).

82900891 is a wasteful number, since it uses less digits than its factorization.

82900891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80021.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 82900891 is about 9104.9926414028. The cubic root of 82900891 is about 436.0333753173.

Adding to 82900891 its sum of digits (37), we get a palindrome (82900928).

The spelling of 82900891 in words is "eighty-two million, nine hundred thousand, eight hundred ninety-one".