28061058575 has 72 divisors (see below), whose sum is σ = 40188761088. Its totient is φ = 19384200000.

The previous prime is 28061058539. The next prime is 28061058581. The reversal of 28061058575 is 57585016082.

It is a happy number.

It is not a de Polignac number, because 28061058575 - 2²² = 28056864271 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 71 ways as a sum of consecutive naturals, for example, 10504490 + ... + 10507160.

Almost surely, 2^28061058575 is an apocalyptic number.

28061058575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28061058575 is a deficient number, since it is larger than the sum of its proper divisors (12127702513).

28061058575 is a wasteful number, since it uses less digits than its factorization.

28061058575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 28061058575 in words is "twenty-eight billion, sixty-one million, fifty-eight thousand, five hundred seventy-five".