28458772741 has 8 divisors (see below), whose sum is σ = 33216318720. Its totient is φ = 23874228528.

The previous prime is 28458772721. The next prime is 28458772759. The reversal of 28458772741 is 14727785482.

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

It is a cyclic number.

It is not a de Polignac number, because 28458772741 - 2⁵ = 28458772709 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 (28458772721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43250086 + ... + 43250743.

It is an arithmetic number, because the mean of its divisors is an integer number (4152039840).

Almost surely, 2^28458772741 is an apocalyptic number.

It is an amenable number.

28458772741 is a deficient number, since it is larger than the sum of its proper divisors (4757545979).

28458772741 is an equidigital number, since it uses as much as digits as its factorization.

28458772741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86500883.

The product of its digits is 7024640, while the sum is 55.

The spelling of 28458772741 in words is "twenty-eight billion, four hundred fifty-eight million, seven hundred seventy-two thousand, seven hundred forty-one".