28570887395 has 16 divisors (see below), whose sum is σ = 36316861920. Its totient is φ = 21503291904.

The previous prime is 28570887341. The next prime is 28570887403. The reversal of 28570887395 is 59378807582.

It is a cyclic number.

It is not a de Polignac number, because 28570887395 - 2¹⁰ = 28570886371 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140669 + ... + 277361.

It is an arithmetic number, because the mean of its divisors is an integer number (2269803870).

Almost surely, 2^28570887395 is an apocalyptic number.

28570887395 is a deficient number, since it is larger than the sum of its proper divisors (7745974525).

28570887395 is a wasteful number, since it uses less digits than its factorization.

28570887395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139174.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 28570887395 in words is "twenty-eight billion, five hundred seventy million, eight hundred eighty-seven thousand, three hundred ninety-five".