28322710748 has 12 divisors (see below), whose sum is σ = 49567867272. Its totient is φ = 14160462960.

The previous prime is 28322710739. The next prime is 28322710783. The reversal of 28322710748 is 84701722382.

It is a super-2 number, since 2×28322710748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28322710699 and 28322710708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148958 + ... + 280773.

It is an arithmetic number, because the mean of its divisors is an integer number (4130655606).

Almost surely, 2^28322710748 is an apocalyptic number.

It is an amenable number.

28322710748 is a deficient number, since it is larger than the sum of its proper divisors (21245156524).

28322710748 is a wasteful number, since it uses less digits than its factorization.

28322710748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446212 (or 446210 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 28322710748 in words is "twenty-eight billion, three hundred twenty-two million, seven hundred ten thousand, seven hundred forty-eight".