28060671775 has 6 divisors (see below), whose sum is σ = 34795233032. Its totient is φ = 22448537400.

The previous prime is 28060671773. The next prime is 28060671781. The reversal of 28060671775 is 57717606082.

It is a happy number.

It is not a de Polignac number, because 28060671775 - 2¹ = 28060671773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060671773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561213411 + ... + 561213460.

Almost surely, 2^28060671775 is an apocalyptic number.

28060671775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28060671775 is a deficient number, since it is larger than the sum of its proper divisors (6734561257).

28060671775 is a wasteful number, since it uses less digits than its factorization.

28060671775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122426881 (or 1122426876 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 28060671775 in words is "twenty-eight billion, sixty million, six hundred seventy-one thousand, seven hundred seventy-five".