804112161077 has 4 divisors (see below), whose sum is σ = 804206361036. Its totient is φ = 804017961120.

The previous prime is 804112161067. The next prime is 804112161089. The reversal of 804112161077 is 770161211408.

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 407664372196 + 396447788881 = 638486^2 + 629641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804112161077 is a prime.

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 804112161077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804112161067) 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, 47087174 + ... + 47104247.

It is an arithmetic number, because the mean of its divisors is an integer number (201051590259).

Almost surely, 2^804112161077 is an apocalyptic number.

It is an amenable number.

804112161077 is a deficient number, since it is larger than the sum of its proper divisors (94199959).

804112161077 is an equidigital number, since it uses as much as digits as its factorization.

804112161077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94199958.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 804112161077 in words is "eight hundred four billion, one hundred twelve million, one hundred sixty-one thousand, seventy-seven".