28829715544 has 48 divisors (see below), whose sum is σ = 63835203600. Its totient is φ = 11957002560.

The previous prime is 28829715517. The next prime is 28829715571. The reversal of 28829715544 is 44551792882.

It is an interprime number because it is at equal distance from previous prime (28829715517) and next prime (28829715571).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214039 + ... + 321670.

It is an arithmetic number, because the mean of its divisors is an integer number (1329900075).

Almost surely, 2^28829715544 is an apocalyptic number.

It is an amenable number.

28829715544 is an abundant number, since it is smaller than the sum of its proper divisors (35005488056).

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

28829715544 is a wasteful number, since it uses less digits than its factorization.

28829715544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535784 (or 535749 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The spelling of 28829715544 in words is "twenty-eight billion, eight hundred twenty-nine million, seven hundred fifteen thousand, five hundred forty-four".