28150704605 has 16 divisors (see below), whose sum is σ = 34130213040. Its totient is φ = 22288131072.

The previous prime is 28150704599. The next prime is 28150704667. The reversal of 28150704605 is 50640705182.

It can be written as a sum of positive squares in 8 ways, for example, as 7958041 + 28142746564 = 2821^2 + 167758^2 .

It is a cyclic number.

It is not a de Polignac number, because 28150704605 - 2¹² = 28150700509 is a prime.

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, 448517 + ... + 507413.

It is an arithmetic number, because the mean of its divisors is an integer number (2133138315).

Almost surely, 2^28150704605 is an apocalyptic number.

It is an amenable number.

28150704605 is a deficient number, since it is larger than the sum of its proper divisors (5979508435).

28150704605 is a wasteful number, since it uses less digits than its factorization.

28150704605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59888.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 28150704605 in words is "twenty-eight billion, one hundred fifty million, seven hundred four thousand, six hundred five".