28965337548 has 48 divisors (see below), whose sum is σ = 77849124864. Its totient is φ = 8210643840.

The previous prime is 28965337529. The next prime is 28965337601. The reversal of 28965337548 is 84573356982.

It is a junction number, because it is equal to n+sod(n) for n = 28965337491 and 28965337500.

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, 1346913 + ... + 1368248.

It is an arithmetic number, because the mean of its divisors is an integer number (1621856768).

Almost surely, 2^28965337548 is an apocalyptic number.

28965337548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28965337548 is an abundant number, since it is smaller than the sum of its proper divisors (48883787316).

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

28965337548 is a wasteful number, since it uses less digits than its factorization.

28965337548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715302 (or 2715300 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 28965337548 in words is "twenty-eight billion, nine hundred sixty-five million, three hundred thirty-seven thousand, five hundred forty-eight".