28693755486 has 48 divisors (see below), whose sum is σ = 68017218048. Its totient is φ = 8669998800.

The previous prime is 28693755449. The next prime is 28693755491. The reversal of 28693755486 is 68455739682.

It is a happy number.

28693755486 is a `hidden beast` number, since 2 + 86 + 9 + 3 + 7 + 5 + 548 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140110 + ... + 277521.

It is an arithmetic number, because the mean of its divisors is an integer number (1417025376).

Almost surely, 2^28693755486 is an apocalyptic number.

28693755486 is an abundant number, since it is smaller than the sum of its proper divisors (39323462562).

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

28693755486 is a wasteful number, since it uses less digits than its factorization.

28693755486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417997 (or 417994 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 28693755486 in words is "twenty-eight billion, six hundred ninety-three million, seven hundred fifty-five thousand, four hundred eighty-six".