28070375148 has 24 divisors (see below), whose sum is σ = 72775046960. Its totient is φ = 9356791680.

The previous prime is 28070375143. The next prime is 28070375171. The reversal of 28070375148 is 84157307082.

It is not an unprimeable number, because it can be changed into a prime (28070375143) 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, 129955333 + ... + 129955548.

Almost surely, 2^28070375148 is an apocalyptic number.

It is an amenable number.

28070375148 is an abundant number, since it is smaller than the sum of its proper divisors (44704671812).

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

28070375148 is a wasteful number, since it uses less digits than its factorization.

28070375148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259910894 (or 259910886 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 28070375148 in words is "twenty-eight billion, seventy million, three hundred seventy-five thousand, one hundred forty-eight".