28060658404 has 12 divisors (see below), whose sum is σ = 49107486204. Its totient is φ = 14029948064.

The previous prime is 28060658389. The next prime is 28060658407. The reversal of 28060658404 is 40485606082.

It can be written as a sum of positive squares in 2 ways, for example, as 17635840000 + 10424818404 = 132800^2 + 102102^2 .

It is not an unprimeable number, because it can be changed into a prime (28060658407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129054 + ... + 269770.

It is an arithmetic number, because the mean of its divisors is an integer number (4092290517).

Almost surely, 2^28060658404 is an apocalyptic number.

It is an amenable number.

28060658404 is a deficient number, since it is larger than the sum of its proper divisors (21046827800).

28060658404 is a wasteful number, since it uses less digits than its factorization.

28060658404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190574 (or 190572 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 28060658404 in words is "twenty-eight billion, sixty million, six hundred fifty-eight thousand, four hundred four".