28619740799 has 4 divisors (see below), whose sum is σ = 30821259336. Its totient is φ = 26418222264.

The previous prime is 28619740789. The next prime is 28619740813. The reversal of 28619740799 is 99704791682.

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 28619740799 - 2¹⁶ = 28619675263 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 (28619740789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100759249 + ... + 1100759274.

It is an arithmetic number, because the mean of its divisors is an integer number (7705314834).

Almost surely, 2^28619740799 is an apocalyptic number.

28619740799 is a deficient number, since it is larger than the sum of its proper divisors (2201518537).

28619740799 is a wasteful number, since it uses less digits than its factorization.

28619740799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201518536.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 28619740799 in words is "twenty-eight billion, six hundred nineteen million, seven hundred forty thousand, seven hundred ninety-nine".