804774056465 has 16 divisors (see below), whose sum is σ = 983921499216. Its totient is φ = 631803648000.

The previous prime is 804774056447. The next prime is 804774056483. The reversal of 804774056465 is 564650477408.

It is a Cunningham number, because it is equal to 897092²+1.

It is an interprime number because it is at equal distance from previous prime (804774056447) and next prime (804774056483).

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 804774056464 = 1^2 + 897092^2 .

It is not a de Polignac number, because 804774056465 - 2⁸ = 804774056209 is a prime.

It is a super-2 number, since 2×804774056465² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804774056465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6994316 + ... + 7108445.

It is an arithmetic number, because the mean of its divisors is an integer number (61495093701).

Almost surely, 2^804774056465 is an apocalyptic number.

It is an amenable number.

804774056465 is a deficient number, since it is larger than the sum of its proper divisors (179147442751).

804774056465 is a wasteful number, since it uses less digits than its factorization.

804774056465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102980.

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 804774056465 in words is "eight hundred four billion, seven hundred seventy-four million, fifty-six thousand, four hundred sixty-five".