28613699575 has 12 divisors (see below), whose sum is σ = 35483230168. Its totient is φ = 22889512800.

The previous prime is 28613699533. The next prime is 28613699641. The reversal of 28613699575 is 57599631682.

It is not a de Polignac number, because 28613699575 - 2¹⁹ = 28613175287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559789 + ... + 608761.

Almost surely, 2^28613699575 is an apocalyptic number.

28613699575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28613699575 is a deficient number, since it is larger than the sum of its proper divisors (6869530593).

28613699575 is a wasteful number, since it uses less digits than its factorization.

28613699575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72354 (or 72349 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 61.

The spelling of 28613699575 in words is "twenty-eight billion, six hundred thirteen million, six hundred ninety-nine thousand, five hundred seventy-five".