28377104399 has 8 divisors (see below), whose sum is σ = 32447232288. Its totient is φ = 24311040480.

The previous prime is 28377104383. The next prime is 28377104407. The reversal of 28377104399 is 99340177382.

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 28377104399 - 2⁴ = 28377104383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28377104399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28377100399) 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, 1001012 + ... + 1028969.

It is an arithmetic number, because the mean of its divisors is an integer number (4055904036).

Almost surely, 2^28377104399 is an apocalyptic number.

28377104399 is a deficient number, since it is larger than the sum of its proper divisors (4070127889).

28377104399 is a wasteful number, since it uses less digits than its factorization.

28377104399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031985.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 28377104399 in words is "twenty-eight billion, three hundred seventy-seven million, one hundred four thousand, three hundred ninety-nine".