28794598438 has 8 divisors (see below), whose sum is σ = 43195522032. Its totient is φ = 14396091096.

The previous prime is 28794598433. The next prime is 28794598451. The reversal of 28794598438 is 83489549782.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28794598433) 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, 573970 + ... + 622117.

It is an arithmetic number, because the mean of its divisors is an integer number (5399440254).

Almost surely, 2^28794598438 is an apocalyptic number.

28794598438 is a deficient number, since it is larger than the sum of its proper divisors (14400923594).

28794598438 is a wasteful number, since it uses less digits than its factorization.

28794598438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208126.

The product of its digits is 139345920, while the sum is 67.

The spelling of 28794598438 in words is "twenty-eight billion, seven hundred ninety-four million, five hundred ninety-eight thousand, four hundred thirty-eight".