28800471678 has 32 divisors (see below), whose sum is σ = 64023011712. Its totient is φ = 8562746400.

The previous prime is 28800471659. The next prime is 28800471743. The reversal of 28800471678 is 87617400882.

It is a self number, because there is not a number n which added to its sum of digits gives 28800471678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4113208 + ... + 4120203.

It is an arithmetic number, because the mean of its divisors is an integer number (2000719116).

Almost surely, 2^28800471678 is an apocalyptic number.

28800471678 is an abundant number, since it is smaller than the sum of its proper divisors (35222540034).

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

28800471678 is a wasteful number, since it uses less digits than its factorization.

28800471678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233480.

The product of its (nonzero) digits is 1204224, while the sum is 51.

The spelling of 28800471678 in words is "twenty-eight billion, eight hundred million, four hundred seventy-one thousand, six hundred seventy-eight".