28070798796 has 18 divisors (see below), whose sum is σ = 70956741492. Its totient is φ = 9356932920.

The previous prime is 28070798783. The next prime is 28070798831. The reversal of 28070798796 is 69789707082.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389872170 + ... + 389872241.

It is an arithmetic number, because the mean of its divisors is an integer number (3942041194).

Almost surely, 2^28070798796 is an apocalyptic number.

It is an amenable number.

28070798796 is an abundant number, since it is smaller than the sum of its proper divisors (42885942696).

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

28070798796 is a wasteful number, since it uses less digits than its factorization.

28070798796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779744421 (or 779744416 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 28070798796 in words is "twenty-eight billion, seventy million, seven hundred ninety-eight thousand, seven hundred ninety-six".