28087570036 has 12 divisors (see below), whose sum is σ = 49281587712. Its totient is φ = 14007116408.

The previous prime is 28087570033. The next prime is 28087570079. The reversal of 28087570036 is 63007578082.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9165430 + ... + 9168493.

It is an arithmetic number, because the mean of its divisors is an integer number (4106798976).

Almost surely, 2^28087570036 is an apocalyptic number.

It is an amenable number.

28087570036 is a deficient number, since it is larger than the sum of its proper divisors (21194017676).

28087570036 is a wasteful number, since it uses less digits than its factorization.

28087570036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18334310 (or 18334308 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 28087570036 in words is "twenty-eight billion, eighty-seven million, five hundred seventy thousand, thirty-six".