805504877038 has 32 divisors (see below), whose sum is σ = 1217093423616. Its totient is φ = 399820903968.

The previous prime is 805504877029. The next prime is 805504877039. The reversal of 805504877038 is 830778405508.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 805504877038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805504877039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184197420 + ... + 184201792.

It is an arithmetic number, because the mean of its divisors is an integer number (38034169488).

Almost surely, 2^805504877038 is an apocalyptic number.

805504877038 is a deficient number, since it is larger than the sum of its proper divisors (411588546578).

805504877038 is a wasteful number, since it uses less digits than its factorization.

805504877038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 805504877038 in words is "eight hundred five billion, five hundred four million, eight hundred seventy-seven thousand, thirty-eight".