876249445 has 24 divisors (see below), whose sum is σ = 1135416168. Its totient is φ = 648883200.

The previous prime is 876249443. The next prime is 876249463. The reversal of 876249445 is 544942678.

It can be written as a sum of positive squares in 12 ways, for example, as 499656609 + 376592836 = 22353^2 + 19406^2 .

It is not a de Polignac number, because 876249445 - 2¹ = 876249443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876249443) 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 23 ways as a sum of consecutive naturals, for example, 83175 + ... + 93115.

It is an arithmetic number, because the mean of its divisors is an integer number (47309007).

Almost surely, 2^876249445 is an apocalyptic number.

876249445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

876249445 is a deficient number, since it is larger than the sum of its proper divisors (259166723).

876249445 is a wasteful number, since it uses less digits than its factorization.

876249445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041 (or 10024 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 876249445 is about 29601.5108567114. The cubic root of 876249445 is about 956.9206324461.

The spelling of 876249445 in words is "eight hundred seventy-six million, two hundred forty-nine thousand, four hundred forty-five".