927690813 has 20 divisors (see below), whose sum is σ = 1583783520. Its totient is φ = 530108712.

The previous prime is 927690811. The next prime is 927690839. The reversal of 927690813 is 318096729.

It is not a de Polignac number, because 927690813 - 2¹ = 927690811 is a prime.

It is a super-2 number, since 2×927690813² = 1721220489049201938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (927690811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 817503 + ... + 818636.

It is an arithmetic number, because the mean of its divisors is an integer number (79189176).

Almost surely, 2^927690813 is an apocalyptic number.

It is an amenable number.

927690813 is a deficient number, since it is larger than the sum of its proper divisors (656092707).

927690813 is a wasteful number, since it uses less digits than its factorization.

927690813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636158 (or 1636149 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 927690813 is about 30458.0172204298. The cubic root of 927690813 is about 975.2914536964.

The spelling of 927690813 in words is "nine hundred twenty-seven million, six hundred ninety thousand, eight hundred thirteen".