28087206957799 has 8 divisors (see below), whose sum is σ = 31387920858000. Its totient is φ = 24911048299200.

The previous prime is 28087206957787. The next prime is 28087206957829. The reversal of 28087206957799 is 99775960278082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28087206957799 - 2¹¹ = 28087206955751 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 (28087206954799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31138809924 + ... + 31138810825.

It is an arithmetic number, because the mean of its divisors is an integer number (3923490107250).

Almost surely, 2^{28087206957799} is an apocalyptic number.

28087206957799 is a deficient number, since it is larger than the sum of its proper divisors (3300713900201).

28087206957799 is a wasteful number, since it uses less digits than its factorization.

28087206957799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62277620801.

The product of its (nonzero) digits is 1920360960, while the sum is 79.

The spelling of 28087206957799 in words is "twenty-eight trillion, eighty-seven billion, two hundred six million, nine hundred fifty-seven thousand, seven hundred ninety-nine".