28896339948 has 48 divisors (see below), whose sum is σ = 77199462144. Its totient is φ = 8240823360.

The previous prime is 28896339937. The next prime is 28896339959. The reversal of 28896339948 is 84993369882.

It is an interprime number because it is at equal distance from previous prime (28896339937) and next prime (28896339959).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272490 + ... + 363377.

It is an arithmetic number, because the mean of its divisors is an integer number (1608322128).

Almost surely, 2^28896339948 is an apocalyptic number.

28896339948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28896339948 is an abundant number, since it is smaller than the sum of its proper divisors (48303122196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28896339948 is a wasteful number, since it uses less digits than its factorization.

28896339948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636422 (or 636420 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 69.

The spelling of 28896339948 in words is "twenty-eight billion, eight hundred ninety-six million, three hundred thirty-nine thousand, nine hundred forty-eight".