28150360780799 has 4 divisors (see below), whose sum is σ = 28291819880400. Its totient is φ = 28008901681200.

The previous prime is 28150360780793. The next prime is 28150360780811. The reversal of 28150360780799 is 99708706305182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28150360780799 - 2⁸ = 28150360780543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150360780793) 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, 70729549502 + ... + 70729549899.

It is an arithmetic number, because the mean of its divisors is an integer number (7072954970100).

Almost surely, 2^{28150360780799} is an apocalyptic number.

28150360780799 is a deficient number, since it is larger than the sum of its proper divisors (141459099601).

28150360780799 is a wasteful number, since it uses less digits than its factorization.

28150360780799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141459099600.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 28150360780799 in words is "twenty-eight trillion, one hundred fifty billion, three hundred sixty million, seven hundred eighty thousand, seven hundred ninety-nine".