28490236167 has 8 divisors (see below), whose sum is σ = 38138325120. Its totient is φ = 18917819000.

The previous prime is 28490236129. The next prime is 28490236213. The reversal of 28490236167 is 76163209482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28490236167 - 2¹⁹ = 28489711879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28490236127) 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 7 ways as a sum of consecutive naturals, for example, 18917067 + ... + 18918572.

It is an arithmetic number, because the mean of its divisors is an integer number (4767290640).

Almost surely, 2^28490236167 is an apocalyptic number.

28490236167 is a deficient number, since it is larger than the sum of its proper divisors (9648088953).

28490236167 is a wasteful number, since it uses less digits than its factorization.

28490236167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37835893.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 28490236167 in words is "twenty-eight billion, four hundred ninety million, two hundred thirty-six thousand, one hundred sixty-seven".