9938522087 has 6 divisors (see below), whose sum is σ = 10761831792. Its totient is φ = 9174020232.

The previous prime is 9938522047. The next prime is 9938522089. The reversal of 9938522087 is 7802258399.

It is not a de Polignac number, because 9938522087 - 2¹⁶ = 9938456551 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 (9938522089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29403743 + ... + 29404080.

It is an arithmetic number, because the mean of its divisors is an integer number (1793638632).

Almost surely, 2^9938522087 is an apocalyptic number.

9938522087 is a deficient number, since it is larger than the sum of its proper divisors (823309705).

9938522087 is a wasteful number, since it uses less digits than its factorization.

9938522087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58807849 (or 58807836 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 9938522087 is about 99692.1365354359. The cubic root of 9938522087 is about 2150.0106065458.

The spelling of 9938522087 in words is "nine billion, nine hundred thirty-eight million, five hundred twenty-two thousand, eighty-seven".