82632889 has 2 divisors, whose sum is σ = 82632890. Its totient is φ = 82632888.

The previous prime is 82632871. The next prime is 82632929. The reversal of 82632889 is 98823628.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 13875625 = 8292^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 82632889 - 2⁷ = 82632761 is a prime.

It is not a weakly prime, because it can be changed into another prime (82632839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316444 + 41316445.

It is an arithmetic number, because the mean of its divisors is an integer number (41316445).

Almost surely, 2^82632889 is an apocalyptic number.

It is an amenable number.

82632889 is a deficient number, since it is larger than the sum of its proper divisors (1).

82632889 is an equidigital number, since it uses as much as digits as its factorization.

82632889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 82632889 is about 9090.2634175254. The cubic root of 82632889 is about 435.5629985100.

It can be divided in two parts, 82632 and 889, that added together give a 4-th power (83521 = 17⁴).

The spelling of 82632889 in words is "eighty-two million, six hundred thirty-two thousand, eight hundred eighty-nine".