28741137748 has 48 divisors (see below), whose sum is σ = 51457291200. Its totient is φ = 14043490560.

The previous prime is 28741137739. The next prime is 28741137823. The reversal of 28741137748 is 84773114782.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28741137695 and 28741137704.

It is a congruent number.

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, 28149478 + ... + 28150498.

It is an arithmetic number, because the mean of its divisors is an integer number (1072026900).

Almost surely, 2^28741137748 is an apocalyptic number.

It is an amenable number.

28741137748 is a deficient number, since it is larger than the sum of its proper divisors (22716153452).

28741137748 is a wasteful number, since it uses less digits than its factorization.

28741137748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1958 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The spelling of 28741137748 in words is "twenty-eight billion, seven hundred forty-one million, one hundred thirty-seven thousand, seven hundred forty-eight".