804228264866137 has 4 divisors (see below), whose sum is σ = 804948254361316. Its totient is φ = 803508275370960.

The previous prime is 804228264866123. The next prime is 804228264866189. The reversal of 804228264866137 is 731668462822408.

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 372425309208976 + 431802955657161 = 19298324^2 + 20779869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804228264866137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804228264866107) 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, 359994745914 + ... + 359994748147.

It is an arithmetic number, because the mean of its divisors is an integer number (201237063590329).

Almost surely, 2^{804228264866137} is an apocalyptic number.

It is an amenable number.

804228264866137 is a deficient number, since it is larger than the sum of its proper divisors (719989495179).

804228264866137 is a wasteful number, since it uses less digits than its factorization.

804228264866137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719989495178.

The product of its (nonzero) digits is 297271296, while the sum is 67.

The spelling of 804228264866137 in words is "eight hundred four trillion, two hundred twenty-eight billion, two hundred sixty-four million, eight hundred sixty-six thousand, one hundred thirty-seven".