28570764743 has 4 divisors (see below), whose sum is σ = 28578547008. Its totient is φ = 28562982480.

The previous prime is 28570764667. The next prime is 28570764767. The reversal of 28570764743 is 34746707582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28570764743 - 2¹⁴ = 28570748359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28570769743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3885623 + ... + 3892968.

It is an arithmetic number, because the mean of its divisors is an integer number (7144636752).

Almost surely, 2^28570764743 is an apocalyptic number.

28570764743 is a deficient number, since it is larger than the sum of its proper divisors (7782265).

28570764743 is an equidigital number, since it uses as much as digits as its factorization.

28570764743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782264.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 28570764743 in words is "twenty-eight billion, five hundred seventy million, seven hundred sixty-four thousand, seven hundred forty-three".