28060637770 has 64 divisors (see below), whose sum is σ = 56318976000. Its totient is φ = 9980055360.

The previous prime is 28060637641. The next prime is 28060637779. The reversal of 28060637770 is 7773606082.

It is a self number, because there is not a number n which added to its sum of digits gives 28060637770.

It is not an unprimeable number, because it can be changed into a prime (28060637779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1280647 + ... + 1302373.

It is an arithmetic number, because the mean of its divisors is an integer number (879984000).

Almost surely, 2^28060637770 is an apocalyptic number.

28060637770 is an abundant number, since it is smaller than the sum of its proper divisors (28258338230).

28060637770 is a wasteful number, since it uses less digits than its factorization.

28060637770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22003.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 28060637770 in words is "twenty-eight billion, sixty million, six hundred thirty-seven thousand, seven hundred seventy".