28775452741 has 8 divisors (see below), whose sum is σ = 33947078144. Its totient is φ = 23869038960.

The previous prime is 28775452729. The next prime is 28775452753. The reversal of 28775452741 is 14725457782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28775452729) and next prime (28775452753).

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 28775452741 - 2⁷ = 28775452613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28775452241) 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, 66302670 + ... + 66303103.

It is an arithmetic number, because the mean of its divisors is an integer number (4243384768).

Almost surely, 2^28775452741 is an apocalyptic number.

It is an amenable number.

28775452741 is a deficient number, since it is larger than the sum of its proper divisors (5171625403).

28775452741 is a wasteful number, since it uses less digits than its factorization.

28775452741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132605811.

The product of its digits is 4390400, while the sum is 52.

The spelling of 28775452741 in words is "twenty-eight billion, seven hundred seventy-five million, four hundred fifty-two thousand, seven hundred forty-one".