28973947395 has 8 divisors (see below), whose sum is σ = 46358315856. Its totient is φ = 15452771936.

The previous prime is 28973947393. The next prime is 28973947411. The reversal of 28973947395 is 59374937982.

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 28973947395 - 2¹ = 28973947393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28973947393) 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, 965798232 + ... + 965798261.

It is an arithmetic number, because the mean of its divisors is an integer number (5794789482).

Almost surely, 2^28973947395 is an apocalyptic number.

28973947395 is a deficient number, since it is larger than the sum of its proper divisors (17384368461).

28973947395 is a wasteful number, since it uses less digits than its factorization.

28973947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931596501.

The product of its digits is 102876480, while the sum is 66.

The spelling of 28973947395 in words is "twenty-eight billion, nine hundred seventy-three million, nine hundred forty-seven thousand, three hundred ninety-five".