28917713747 has 16 divisors (see below), whose sum is σ = 33086739840. Its totient is φ = 25076241792.

The previous prime is 28917713707. The next prime is 28917713767. The reversal of 28917713747 is 74731771982.

It is a cyclic number.

It is not a de Polignac number, because 28917713747 - 2⁸ = 28917713491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28917713692 and 28917713701.

It is not an unprimeable number, because it can be changed into a prime (28917713707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022603 + ... + 1050500.

It is an arithmetic number, because the mean of its divisors is an integer number (2067921240).

Almost surely, 2^28917713747 is an apocalyptic number.

28917713747 is a deficient number, since it is larger than the sum of its proper divisors (4169026093).

28917713747 is a wasteful number, since it uses less digits than its factorization.

28917713747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073182.

The product of its digits is 4148928, while the sum is 56.

The spelling of 28917713747 in words is "twenty-eight billion, nine hundred seventeen million, seven hundred thirteen thousand, seven hundred forty-seven".