28677265747 has 12 divisors (see below), whose sum is σ = 31091335464. Its totient is φ = 26438555520.

The previous prime is 28677265681. The next prime is 28677265753. The reversal of 28677265747 is 74756277682.

It is not a de Polignac number, because 28677265747 - 2¹⁹ = 28676741459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28677268747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32443 + ... + 241675.

It is an arithmetic number, because the mean of its divisors is an integer number (2590944622).

Almost surely, 2^28677265747 is an apocalyptic number.

28677265747 is a deficient number, since it is larger than the sum of its proper divisors (2414069717).

28677265747 is a wasteful number, since it uses less digits than its factorization.

28677265747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210070 (or 210057 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 61.

The spelling of 28677265747 in words is "twenty-eight billion, six hundred seventy-seven million, two hundred sixty-five thousand, seven hundred forty-seven".