874444057 has 4 divisors (see below), whose sum is σ = 878262820. Its totient is φ = 870625296.

The previous prime is 874444033. The next prime is 874444069. The reversal of 874444057 is 750444478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 814474521 + 59969536 = 28539^2 + 7744^2 .

It is a cyclic number.

It is not a de Polignac number, because 874444057 - 2⁷ = 874443929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874444007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909038 + ... + 1909495.

It is an arithmetic number, because the mean of its divisors is an integer number (219565705).

Almost surely, 2^874444057 is an apocalyptic number.

It is an amenable number.

874444057 is a deficient number, since it is larger than the sum of its proper divisors (3818763).

874444057 is a wasteful number, since it uses less digits than its factorization.

874444057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818762.

The product of its (nonzero) digits is 501760, while the sum is 43.

The square root of 874444057 is about 29571.0002705353. Note that the first 3 decimals coincide. The cubic root of 874444057 is about 956.2629807172.

The spelling of 874444057 in words is "eight hundred seventy-four million, four hundred forty-four thousand, fifty-seven".