876580993 has 4 divisors (see below), whose sum is σ = 876916548. Its totient is φ = 876245440.

The previous prime is 876580987. The next prime is 876581003. The reversal of 876580993 is 399085678.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 407555344 + 469025649 = 20188^2 + 21657^2 .

It is a cyclic number.

It is not a de Polignac number, because 876580993 - 2²⁹ = 339710081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876580093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163828 + ... + 169093.

It is an arithmetic number, because the mean of its divisors is an integer number (219229137).

Almost surely, 2^876580993 is an apocalyptic number.

It is an amenable number.

876580993 is a deficient number, since it is larger than the sum of its proper divisors (335555).

876580993 is a wasteful number, since it uses less digits than its factorization.

876580993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335554.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 876580993 is about 29607.1105141991. The cubic root of 876580993 is about 957.0413077924.

The spelling of 876580993 in words is "eight hundred seventy-six million, five hundred eighty thousand, nine hundred ninety-three".