874387009 has 2 divisors, whose sum is σ = 874387010. Its totient is φ = 874387008.

The previous prime is 874386979. The next prime is 874387037. The reversal of 874387009 is 900783478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717436225 + 156950784 = 26785^2 + 12528^2 .

It is a cyclic number.

It is not a de Polignac number, because 874387009 - 2⁵ = 874386977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874387009.

It is not a weakly prime, because it can be changed into another prime (874387099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437193504 + 437193505.

It is an arithmetic number, because the mean of its divisors is an integer number (437193505).

Almost surely, 2^874387009 is an apocalyptic number.

It is an amenable number.

874387009 is a deficient number, since it is larger than the sum of its proper divisors (1).

874387009 is an equidigital number, since it uses as much as digits as its factorization.

874387009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 874387009 is about 29570.0356611215. The cubic root of 874387009 is about 956.2421849989.

The spelling of 874387009 in words is "eight hundred seventy-four million, three hundred eighty-seven thousand, nine".