874865426481668 has 6 divisors (see below), whose sum is σ = 1531014496342926. Its totient is φ = 437432713240832.

The previous prime is 874865426481653. The next prime is 874865426481707. The reversal of 874865426481668 is 866184624568478.

It can be written as a sum of positive squares in only one way, i.e., 808383059398084 + 66482367083584 = 28432078^2 + 8153672^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109358178310205 + ... + 109358178310212.

It is an arithmetic number, because the mean of its divisors is an integer number (255169082723821).

Almost surely, 2^{874865426481668} is an apocalyptic number.

It is an amenable number.

874865426481668 is a deficient number, since it is larger than the sum of its proper divisors (656149069861258).

874865426481668 is a wasteful number, since it uses less digits than its factorization.

874865426481668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218716356620421 (or 218716356620419 counting only the distinct ones).

The product of its digits is 23781703680, while the sum is 83.

The spelling of 874865426481668 in words is "eight hundred seventy-four trillion, eight hundred sixty-five billion, four hundred twenty-six million, four hundred eighty-one thousand, six hundred sixty-eight".