28154747736 has 48 divisors (see below), whose sum is σ = 78313326000. Its totient is φ = 9131268672.

The previous prime is 28154747723. The next prime is 28154747737. The reversal of 28154747736 is 63774745182.

28154747736 is a `hidden beast` number, since 28 + 1 + 547 + 4 + 7 + 73 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28154747737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5281636 + ... + 5286963.

It is an arithmetic number, because the mean of its divisors is an integer number (1631527625).

Almost surely, 2^28154747736 is an apocalyptic number.

It is an amenable number.

28154747736 is an abundant number, since it is smaller than the sum of its proper divisors (50158578264).

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

28154747736 is a wasteful number, since it uses less digits than its factorization.

28154747736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568648 (or 10568641 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 28154747736 in words is "twenty-eight billion, one hundred fifty-four million, seven hundred forty-seven thousand, seven hundred thirty-six".