874574081280857 has 4 divisors (see below), whose sum is σ = 874574459193780. Its totient is φ = 874573703367936.

The previous prime is 874574081280827. The next prime is 874574081280871. The reversal of 874574081280857 is 758082180475478.

It is a happy number.

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 40103988538441 + 834470092742416 = 6332771^2 + 28887196^2 .

It is a cyclic number.

It is not a de Polignac number, because 874574081280857 - 2¹² = 874574081276761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874574081280827) 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, 185463608 + ... + 190120745.

It is an arithmetic number, because the mean of its divisors is an integer number (218643614798445).

Almost surely, 2^{874574081280857} is an apocalyptic number.

It is an amenable number.

874574081280857 is a deficient number, since it is larger than the sum of its proper divisors (377912923).

874574081280857 is a wasteful number, since it uses less digits than its factorization.

874574081280857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377912922.

The product of its (nonzero) digits is 1123942400, while the sum is 74.

The spelling of 874574081280857 in words is "eight hundred seventy-four trillion, five hundred seventy-four billion, eighty-one million, two hundred eighty thousand, eight hundred fifty-seven".