28877679047810 has 16 divisors (see below), whose sum is σ = 51981340074552. Its totient is φ = 11550734332800.

The previous prime is 28877679047797. The next prime is 28877679047813. The reversal of 28877679047810 is 1874097677882.

It can be written as a sum of positive squares in 4 ways, for example, as 28442286263161 + 435392784649 = 5333131^2 + 659843^2 .

It is a super-2 number, since 2×28877679047810² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28877679047813) 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, 41801051 + ... + 42486270.

Almost surely, 2^{28877679047810} is an apocalyptic number.

28877679047810 is a deficient number, since it is larger than the sum of its proper divisors (23103661026742).

28877679047810 is a wasteful number, since it uses less digits than its factorization.

28877679047810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84321589.

The product of its (nonzero) digits is 531062784, while the sum is 74.

The spelling of 28877679047810 in words is "twenty-eight trillion, eight hundred seventy-seven billion, six hundred seventy-nine million, forty-seven thousand, eight hundred ten".