82289801 has 6 divisors (see below), whose sum is σ = 90450906. Its totient is φ = 74808800.

The previous prime is 82289783. The next prime is 82289803. The reversal of 82289801 is 10898228.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 3097600 = 8899^2 + 1760^2 .

It is a de Polignac number, because none of the positive numbers 2^k-82289801 is a prime.

It is a super-2 number, since 2×82289801² = 13543222697239202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82289803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339920 + ... + 340161.

It is an arithmetic number, because the mean of its divisors is an integer number (15075151).

Almost surely, 2^82289801 is an apocalyptic number.

It is an amenable number.

82289801 is a deficient number, since it is larger than the sum of its proper divisors (8161105).

82289801 is a wasteful number, since it uses less digits than its factorization.

82289801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680103 (or 680092 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 82289801 is about 9071.3726083763. The cubic root of 82289801 is about 434.9593497047.

The spelling of 82289801 in words is "eighty-two million, two hundred eighty-nine thousand, eight hundred one".