1009730855 has 16 divisors (see below), whose sum is σ = 1385398080. Its totient is φ = 692074752.

The previous prime is 1009730849. The next prime is 1009730857. The reversal of 1009730855 is 5580379001.

It is a cyclic number.

It is not a de Polignac number, because 1009730855 - 2¹⁴ = 1009714471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009730857) 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, 94211 + ... + 104379.

It is an arithmetic number, because the mean of its divisors is an integer number (86587380).

Almost surely, 2^1009730855 is an apocalyptic number.

1009730855 is a deficient number, since it is larger than the sum of its proper divisors (375667225).

1009730855 is a wasteful number, since it uses less digits than its factorization.

1009730855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1009730855 is about 31776.2624454167. The cubic root of 1009730855 is about 1003.2331537842.

The spelling of 1009730855 in words is "one billion, nine million, seven hundred thirty thousand, eight hundred fifty-five".