28754294565 has 8 divisors (see below), whose sum is σ = 46006871328. Its totient is φ = 15335623760.

The previous prime is 28754294563. The next prime is 28754294599. The reversal of 28754294565 is 56549245782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28754294565 - 2¹ = 28754294563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28754294563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958476471 + ... + 958476500.

It is an arithmetic number, because the mean of its divisors is an integer number (5750858916).

Almost surely, 2^28754294565 is an apocalyptic number.

It is an amenable number.

28754294565 is a deficient number, since it is larger than the sum of its proper divisors (17252576763).

28754294565 is a wasteful number, since it uses less digits than its factorization.

28754294565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916952979.

The product of its digits is 24192000, while the sum is 57.

The spelling of 28754294565 in words is "twenty-eight billion, seven hundred fifty-four million, two hundred ninety-four thousand, five hundred sixty-five".