87944307 has 16 divisors (see below), whose sum is σ = 128418048. Its totient is φ = 53091680.

The previous prime is 87944299. The next prime is 87944309. The reversal of 87944307 is 70344978.

It is a cyclic number.

It is not a de Polignac number, because 87944307 - 2³ = 87944299 is a prime.

It is a super-2 number, since 2×87944307² = 15468402267420498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87944309) 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 15 ways as a sum of consecutive naturals, for example, 3613 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (8026128).

Almost surely, 2^87944307 is an apocalyptic number.

87944307 is a deficient number, since it is larger than the sum of its proper divisors (40473741).

87944307 is a wasteful number, since it uses less digits than its factorization.

87944307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 87944307 is about 9377.8626029602. The cubic root of 87944307 is about 444.7021648853.

The spelling of 87944307 in words is "eighty-seven million, nine hundred forty-four thousand, three hundred seven".