28746253571 has 8 divisors (see below), whose sum is σ = 32855126784. Its totient is φ = 24637946760.

The previous prime is 28746253519. The next prime is 28746253589. The reversal of 28746253571 is 17535264782.

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

It is not a de Polignac number, because 28746253571 - 2¹⁴ = 28746237187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28746253511) 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, 26615 + ... + 241248.

It is an arithmetic number, because the mean of its divisors is an integer number (4106890848).

Almost surely, 2^28746253571 is an apocalyptic number.

28746253571 is a deficient number, since it is larger than the sum of its proper divisors (4108873213).

28746253571 is a wasteful number, since it uses less digits than its factorization.

28746253571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283201.

The product of its digits is 2822400, while the sum is 50.

The spelling of 28746253571 in words is "twenty-eight billion, seven hundred forty-six million, two hundred fifty-three thousand, five hundred seventy-one".