28892468409 has 8 divisors (see below), whose sum is σ = 44026618560. Its totient is φ = 16509981936.

The previous prime is 28892468347. The next prime is 28892468413. The reversal of 28892468409 is 90486429882.

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

It is not a de Polignac number, because 28892468409 - 2¹⁷ = 28892337337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28892468489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687915894 + ... + 687915935.

It is an arithmetic number, because the mean of its divisors is an integer number (5503327320).

Almost surely, 2^28892468409 is an apocalyptic number.

It is an amenable number.

28892468409 is a deficient number, since it is larger than the sum of its proper divisors (15134150151).

28892468409 is a wasteful number, since it uses less digits than its factorization.

28892468409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375831839.

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 28892468409 in words is "twenty-eight billion, eight hundred ninety-two million, four hundred sixty-eight thousand, four hundred nine".