805577887652 has 6 divisors (see below), whose sum is σ = 1409761303398. Its totient is φ = 402788943824.

The previous prime is 805577887651. The next prime is 805577887693. The reversal of 805577887652 is 256788775508.

805577887652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 623603978596 + 181973909056 = 789686^2 + 426584^2 .

It is not an unprimeable number, because it can be changed into a prime (805577887651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100697235953 + ... + 100697235960.

It is an arithmetic number, because the mean of its divisors is an integer number (234960217233).

Almost surely, 2^805577887652 is an apocalyptic number.

It is an amenable number.

805577887652 is a deficient number, since it is larger than the sum of its proper divisors (604183415746).

805577887652 is a wasteful number, since it uses less digits than its factorization.

805577887652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201394471917 (or 201394471915 counting only the distinct ones).

The product of its (nonzero) digits is 263424000, while the sum is 68.

The spelling of 805577887652 in words is "eight hundred five billion, five hundred seventy-seven million, eight hundred eighty-seven thousand, six hundred fifty-two".