28741443715 has 4 divisors (see below), whose sum is σ = 34489732464. Its totient is φ = 22993154968.

The previous prime is 28741443691. The next prime is 28741443721. The reversal of 28741443715 is 51734414782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51734414782 = 2 ⋅25867207391.

It is a cyclic number.

It is not a de Polignac number, because 28741443715 - 2⁵ = 28741443683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874144367 + ... + 2874144376.

It is an arithmetic number, because the mean of its divisors is an integer number (8622433116).

Almost surely, 2^28741443715 is an apocalyptic number.

28741443715 is a deficient number, since it is larger than the sum of its proper divisors (5748288749).

28741443715 is an equidigital number, since it uses as much as digits as its factorization.

28741443715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748288748.

The product of its digits is 752640, while the sum is 46.

The spelling of 28741443715 in words is "twenty-eight billion, seven hundred forty-one million, four hundred forty-three thousand, seven hundred fifteen".