28420917395 has 16 divisors (see below), whose sum is σ = 36737077440. Its totient is φ = 20982893184.

The previous prime is 28420917347. The next prime is 28420917433. The reversal of 28420917395 is 59371902482.

It is a cyclic number.

It is not a de Polignac number, because 28420917395 - 2¹² = 28420913299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245357 + ... + 342113.

It is an arithmetic number, because the mean of its divisors is an integer number (2296067340).

Almost surely, 2^28420917395 is an apocalyptic number.

28420917395 is a deficient number, since it is larger than the sum of its proper divisors (8316160045).

28420917395 is a wasteful number, since it uses less digits than its factorization.

28420917395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101294.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 28420917395 in words is "twenty-eight billion, four hundred twenty million, nine hundred seventeen thousand, three hundred ninety-five".