28794501747 has 24 divisors (see below), whose sum is σ = 45408829440. Its totient is φ = 17437492080.

The previous prime is 28794501739. The next prime is 28794501781. The reversal of 28794501747 is 74710549782.

28794501747 is a `hidden beast` number, since 2 + 8 + 7 + 94 + 501 + 7 + 47 = 666.

It is not a de Polignac number, because 28794501747 - 2³ = 28794501739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28794501693 and 28794501702.

It is not an unprimeable number, because it can be changed into a prime (28794501647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12918 + ... + 240324.

It is an arithmetic number, because the mean of its divisors is an integer number (1892034560).

Almost surely, 2^28794501747 is an apocalyptic number.

28794501747 is a deficient number, since it is larger than the sum of its proper divisors (16614327693).

28794501747 is a wasteful number, since it uses less digits than its factorization.

28794501747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228703 (or 228700 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 28794501747 in words is "twenty-eight billion, seven hundred ninety-four million, five hundred one thousand, seven hundred forty-seven".