855773572 has 6 divisors (see below), whose sum is σ = 1497603758. Its totient is φ = 427886784.

The previous prime is 855773551. The next prime is 855773587. The reversal of 855773572 is 275377558.

It can be written as a sum of positive squares in only one way, i.e., 465869056 + 389904516 = 21584^2 + 19746^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106971693 + ... + 106971700.

Almost surely, 2^855773572 is an apocalyptic number.

It is an amenable number.

855773572 is a deficient number, since it is larger than the sum of its proper divisors (641830186).

855773572 is a wasteful number, since it uses less digits than its factorization.

855773572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213943397 (or 213943395 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 49.

The square root of 855773572 is about 29253.6078458709. The cubic root of 855773572 is about 949.4081528719.

The spelling of 855773572 in words is "eight hundred fifty-five million, seven hundred seventy-three thousand, five hundred seventy-two".