28942175376 has 45 divisors (see below), whose sum is σ = 81003607321. Its totient is φ = 9646711296.

The previous prime is 28942175359. The next prime is 28942175377. The reversal of 28942175376 is 67357124982.

It is a happy number.

The square root of 28942175376 is 170124.

It is a perfect power (a square), and thus also a powerful number.

28942175376 is a `hidden beast` number, since 2 + 8 + 94 + 2 + 17 + 537 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28811667600 + 130507776 = 169740^2 + 11424^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28942175377) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2034400 + ... + 2048576.

Almost surely, 2^28942175376 is an apocalyptic number.

28942175376 is the 170124-th square number.

It is an amenable number.

28942175376 is an abundant number, since it is smaller than the sum of its proper divisors (52061431945).

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

28942175376 is an frugal number, since it uses more digits than its factorization.

28942175376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28368 (or 14182 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 28942175376 in words is "twenty-eight billion, nine hundred forty-two million, one hundred seventy-five thousand, three hundred seventy-six".