28071539334 has 48 divisors (see below), whose sum is σ = 63492199680. Its totient is φ = 9295187400.

The previous prime is 28071539329. The next prime is 28071539347. The reversal of 28071539334 is 43393517082.

28071539334 is a `hidden beast` number, since 2 + 80 + 7 + 1 + 539 + 3 + 34 = 666.

It is a super-2 number, since 2×28071539334² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28071539334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117874 + ... + 264645.

It is an arithmetic number, because the mean of its divisors is an integer number (1322754160).

Almost surely, 2^28071539334 is an apocalyptic number.

28071539334 is an abundant number, since it is smaller than the sum of its proper divisors (35420660346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28071539334 is a wasteful number, since it uses less digits than its factorization.

28071539334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382687 (or 382675 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 28071539334 in words is "twenty-eight billion, seventy-one million, five hundred thirty-nine thousand, three hundred thirty-four".