28836531370 has 16 divisors (see below), whose sum is σ = 51936886440. Its totient is φ = 11527694784.

The previous prime is 28836531349. The next prime is 28836531443. The reversal of 28836531370 is 7313563882.

It can be written as a sum of positive squares in 4 ways, for example, as 20583353961 + 8253177409 = 143469^2 + 90847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28836531370.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847197 + ... + 880576.

Almost surely, 2^28836531370 is an apocalyptic number.

28836531370 is a deficient number, since it is larger than the sum of its proper divisors (23100355070).

28836531370 is a wasteful number, since it uses less digits than its factorization.

28836531370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729449.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 28836531370 in words is "twenty-eight billion, eight hundred thirty-six million, five hundred thirty-one thousand, three hundred seventy".