28119207968 has 48 divisors (see below), whose sum is σ = 55711315296. Its totient is φ = 13970557440.

The previous prime is 28119207959. The next prime is 28119207971. The reversal of 28119207968 is 86970291182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895883 + ... + 3903093.

It is an arithmetic number, because the mean of its divisors is an integer number (1160652402).

Almost surely, 2^28119207968 is an apocalyptic number.

It is an amenable number.

28119207968 is a deficient number, since it is larger than the sum of its proper divisors (27592107328).

28119207968 is a wasteful number, since it uses less digits than its factorization.

28119207968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977 (or 7969 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 28119207968 in words is "twenty-eight billion, one hundred nineteen million, two hundred seven thousand, nine hundred sixty-eight".