28948718736 has 160 divisors (see below), whose sum is σ = 100550350080. Its totient is φ = 7784515584.

The previous prime is 28948718693. The next prime is 28948718741. The reversal of 28948718736 is 63781784982.

28948718736 is a `hidden beast` number, since 2 + 89 + 487 + 1 + 8 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230151 + ... + 332966.

It is an arithmetic number, because the mean of its divisors is an integer number (628439688).

Almost surely, 2^28948718736 is an apocalyptic number.

It is an amenable number.

28948718736 is an abundant number, since it is smaller than the sum of its proper divisors (71601631344).

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

28948718736 is a wasteful number, since it uses less digits than its factorization.

28948718736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563158 (or 563146 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 28948718736 in words is "twenty-eight billion, nine hundred forty-eight million, seven hundred eighteen thousand, seven hundred thirty-six".