874975609 has 2 divisors, whose sum is σ = 874975610. Its totient is φ = 874975608.

The previous prime is 874975603. The next prime is 874975649. The reversal of 874975609 is 906579478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795409209 + 79566400 = 28203^2 + 8920^2 .

It is a cyclic number.

It is not a de Polignac number, because 874975609 - 2¹³ = 874967417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874975609.

It is not a weakly prime, because it can be changed into another prime (874975603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437487804 + 437487805.

It is an arithmetic number, because the mean of its divisors is an integer number (437487805).

Almost surely, 2^874975609 is an apocalyptic number.

It is an amenable number.

874975609 is a deficient number, since it is larger than the sum of its proper divisors (1).

874975609 is an equidigital number, since it uses as much as digits as its factorization.

874975609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 874975609 is about 29579.9866294764. The cubic root of 874975609 is about 956.4567040075.

The spelling of 874975609 in words is "eight hundred seventy-four million, nine hundred seventy-five thousand, six hundred nine".