28286560071 has 96 divisors (see below), whose sum is σ = 52913043456. Its totient is φ = 14670396000.

The previous prime is 28286560069. The next prime is 28286560073. The reversal of 28286560071 is 17006568282.

28286560071 is a `hidden beast` number, since 2 + 8 + 2 + 86 + 560 + 0 + 7 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (28286560069) and next prime (28286560073).

It is not a de Polignac number, because 28286560071 - 2¹ = 28286560069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28286559999 and 28286560026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28286560073) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21909936 + ... + 21911226.

It is an arithmetic number, because the mean of its divisors is an integer number (551177536).

Almost surely, 2^28286560071 is an apocalyptic number.

28286560071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28286560071 is a deficient number, since it is larger than the sum of its proper divisors (24626483385).

28286560071 is a wasteful number, since it uses less digits than its factorization.

28286560071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 28286560071 in words is "twenty-eight billion, two hundred eighty-six million, five hundred sixty thousand, seventy-one".