28621033270 has 16 divisors (see below), whose sum is σ = 51911128368. Its totient is φ = 11361020320.

The previous prime is 28621033223. The next prime is 28621033279. The reversal of 28621033270 is 7233012682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28621033279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922749 + ... + 10925368.

It is an arithmetic number, because the mean of its divisors is an integer number (3244445523).

Almost surely, 2^28621033270 is an apocalyptic number.

28621033270 is a deficient number, since it is larger than the sum of its proper divisors (23290095098).

28621033270 is a wasteful number, since it uses less digits than its factorization.

28621033270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848255.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 28621033270 in words is "twenty-eight billion, six hundred twenty-one million, thirty-three thousand, two hundred seventy".