28850146548 has 24 divisors (see below), whose sum is σ = 71276833152. Its totient is φ = 9051026304.

The previous prime is 28850146543. The next prime is 28850146553. The reversal of 28850146548 is 84564105882.

It is an interprime number because it is at equal distance from previous prime (28850146543) and next prime (28850146553).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 28850146548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28850146543) 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, 70710940 + ... + 70711347.

It is an arithmetic number, because the mean of its divisors is an integer number (2969868048).

Almost surely, 2^28850146548 is an apocalyptic number.

It is an amenable number.

28850146548 is an abundant number, since it is smaller than the sum of its proper divisors (42426686604).

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

28850146548 is a wasteful number, since it uses less digits than its factorization.

28850146548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141422311 (or 141422309 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 28850146548 in words is "twenty-eight billion, eight hundred fifty million, one hundred forty-six thousand, five hundred forty-eight".