28269487359 has 24 divisors (see below), whose sum is σ = 41604914000. Its totient is φ = 18491898240.

The previous prime is 28269487333. The next prime is 28269487369. The reversal of 28269487359 is 95378496282.

It is not a de Polignac number, because 28269487359 - 2¹³ = 28269479167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28269487296 and 28269487305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28269487319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161592 + ... + 287490.

Almost surely, 2^28269487359 is an apocalyptic number.

28269487359 is a deficient number, since it is larger than the sum of its proper divisors (13335426641).

28269487359 is a wasteful number, since it uses less digits than its factorization.

28269487359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126375 (or 126372 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 28269487359 in words is "twenty-eight billion, two hundred sixty-nine million, four hundred eighty-seven thousand, three hundred fifty-nine".