805492864738 has 16 divisors (see below), whose sum is σ = 1312857642240. Its totient is φ = 369241210800.

The previous prime is 805492864727. The next prime is 805492864739. The reversal of 805492864738 is 837468294508.

It is a super-3 number, since 3×805492864738³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 805492864738.

It is not an unprimeable number, because it can be changed into a prime (805492864739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341888833 + ... + 341891188.

It is an arithmetic number, because the mean of its divisors is an integer number (82053602640).

Almost surely, 2^805492864738 is an apocalyptic number.

805492864738 is a deficient number, since it is larger than the sum of its proper divisors (507364777502).

805492864738 is a wasteful number, since it uses less digits than its factorization.

805492864738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683780073.

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 805492864738 in words is "eight hundred five billion, four hundred ninety-two million, eight hundred sixty-four thousand, seven hundred thirty-eight".