805913132028 has 12 divisors (see below), whose sum is σ = 1880463974760. Its totient is φ = 268637710672.

The previous prime is 805913132009. The next prime is 805913132033. The reversal of 805913132028 is 820231319508.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33579713823 + ... + 33579713846.

It is an arithmetic number, because the mean of its divisors is an integer number (156705331230).

Almost surely, 2^805913132028 is an apocalyptic number.

It is an amenable number.

805913132028 is an abundant number, since it is smaller than the sum of its proper divisors (1074550842732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805913132028 is a wasteful number, since it uses less digits than its factorization.

805913132028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67159427676 (or 67159427674 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 805913132028 in words is "eight hundred five billion, nine hundred thirteen million, one hundred thirty-two thousand, twenty-eight".