82374889 has 2 divisors, whose sum is σ = 82374890. Its totient is φ = 82374888.

The previous prime is 82374883. The next prime is 82374923. The reversal of 82374889 is 98847328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 1734489 = 8980^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 82374889 - 2¹⁵ = 82342121 is a prime.

It is not a weakly prime, because it can be changed into another prime (82374883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41187444 + 41187445.

It is an arithmetic number, because the mean of its divisors is an integer number (41187445).

Almost surely, 2^82374889 is an apocalyptic number.

It is an amenable number.

82374889 is a deficient number, since it is larger than the sum of its proper divisors (1).

82374889 is an equidigital number, since it uses as much as digits as its factorization.

82374889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 82374889 is about 9076.0613153504. The cubic root of 82374889 is about 435.1092146613.

The spelling of 82374889 in words is "eighty-two million, three hundred seventy-four thousand, eight hundred eighty-nine".