28087570035 has 72 divisors (see below), whose sum is σ = 56665586016. Its totient is φ = 12832807680.

The previous prime is 28087570033. The next prime is 28087570079. The reversal of 28087570035 is 53007578082.

It is not a de Polignac number, because 28087570035 - 2¹ = 28087570033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (28087570033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7179730 + ... + 7183640.

It is an arithmetic number, because the mean of its divisors is an integer number (787022028).

Almost surely, 2^28087570035 is an apocalyptic number.

28087570035 is an abundant number, since it is smaller than the sum of its proper divisors (28578015981).

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

28087570035 is a wasteful number, since it uses less digits than its factorization.

28087570035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193 (or 7183 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 28087570035 in words is "twenty-eight billion, eighty-seven million, five hundred seventy thousand, thirty-five".