874644401 has 2 divisors, whose sum is σ = 874644402. Its totient is φ = 874644400.

The previous prime is 874644377. The next prime is 874644403. The reversal of 874644401 is 104446478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839550625 + 35093776 = 28975^2 + 5924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874644401 is a prime.

Together with 874644403, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 874644401 parts by 41824 straight cuts.

It is not a weakly prime, because it can be changed into another prime (874644403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437322200 + 437322201.

It is an arithmetic number, because the mean of its divisors is an integer number (437322201).

Almost surely, 2^874644401 is an apocalyptic number.

It is an amenable number.

874644401 is a deficient number, since it is larger than the sum of its proper divisors (1).

874644401 is an equidigital number, since it uses as much as digits as its factorization.

874644401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 874644401 is about 29574.3875845300. The cubic root of 874644401 is about 956.3360049889.

The spelling of 874644401 in words is "eight hundred seventy-four million, six hundred forty-four thousand, four hundred one".