9975087 has 12 divisors (see below), whose sum is σ = 14873664. Its totient is φ = 6435360.

The previous prime is 9975079. The next prime is 9975109. The reversal of 9975087 is 7805799.

9975087 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9975087 - 2³ = 9975079 is a prime.

9975087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17598 + ... + 18155.

It is an arithmetic number, because the mean of its divisors is an integer number (1239472).

Almost surely, 2^9975087 is an apocalyptic number.

9975087 is a deficient number, since it is larger than the sum of its proper divisors (4898577).

9975087 is a wasteful number, since it uses less digits than its factorization.

9975087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35790 (or 35787 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 9975087 is about 3158.3361125757. The cubic root of 9975087 is about 215.2644087851.

It can be divided in two parts, 997 and 5087, that added together give a square (6084 = 78²).

The spelling of 9975087 in words is "nine million, nine hundred seventy-five thousand, eighty-seven".