22887517084639 has 4 divisors (see below), whose sum is σ = 23006105256256. Its totient is φ = 22768928913024.

The previous prime is 22887517084633. The next prime is 22887517084643. The reversal of 22887517084639 is 93648071578822.

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

It is a cyclic number.

It is not a de Polignac number, because 22887517084639 - 2⁹ = 22887517084127 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 (22887517084633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59294085519 + ... + 59294085904.

It is an arithmetic number, because the mean of its divisors is an integer number (5751526314064).

It is a 2-persistent number, because it is pandigital, and so is 2⋅22887517084639 = 45775034169278, but 3⋅22887517084639 = 68662551253917 is not.

Almost surely, 2^{22887517084639} is an apocalyptic number.

22887517084639 is a deficient number, since it is larger than the sum of its proper divisors (118588171617).

22887517084639 is a wasteful number, since it uses less digits than its factorization.

22887517084639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118588171616.

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 22887517084639 in words is "twenty-two trillion, eight hundred eighty-seven billion, five hundred seventeen million, eighty-four thousand, six hundred thirty-nine".