28703113945 has 8 divisors (see below), whose sum is σ = 37574985600. Its totient is φ = 20874991920.

The previous prime is 28703113937. The next prime is 28703114021. The reversal of 28703113945 is 54931130782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28703113945 - 2³ = 28703113937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260937345 + ... + 260937454.

It is an arithmetic number, because the mean of its divisors is an integer number (4696873200).

Almost surely, 2^28703113945 is an apocalyptic number.

It is an amenable number.

28703113945 is a deficient number, since it is larger than the sum of its proper divisors (8871871655).

28703113945 is a wasteful number, since it uses less digits than its factorization.

28703113945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521874815.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 28703113945 in words is "twenty-eight billion, seven hundred three million, one hundred thirteen thousand, nine hundred forty-five".