28648176072 has 64 divisors (see below), whose sum is σ = 75325800960. Its totient is φ = 9066969600.

The previous prime is 28648176043. The next prime is 28648176101. The reversal of 28648176072 is 27067184682.

It is an interprime number because it is at equal distance from previous prime (28648176043) and next prime (28648176101).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323829 + ... + 402692.

It is an arithmetic number, because the mean of its divisors is an integer number (1176965640).

Almost surely, 2^28648176072 is an apocalyptic number.

It is an amenable number.

28648176072 is an abundant number, since it is smaller than the sum of its proper divisors (46677624888).

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

28648176072 is a wasteful number, since it uses less digits than its factorization.

28648176072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726614 (or 726610 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 28648176072 in words is "twenty-eight billion, six hundred forty-eight million, one hundred seventy-six thousand, seventy-two".