28305763005 has 32 divisors (see below), whose sum is σ = 49599688320. Its totient is φ = 13698950400.

The previous prime is 28305762931. The next prime is 28305763021. The reversal of 28305763005 is 50036750382.

It is not a de Polignac number, because 28305763005 - 2¹⁵ = 28305730237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1218646 + ... + 1241655.

It is an arithmetic number, because the mean of its divisors is an integer number (1549990260).

Almost surely, 2^28305763005 is an apocalyptic number.

It is an amenable number.

28305763005 is a deficient number, since it is larger than the sum of its proper divisors (21293925315).

28305763005 is a wasteful number, since it uses less digits than its factorization.

28305763005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460381.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 28305763005 in words is "twenty-eight billion, three hundred five million, seven hundred sixty-three thousand, five".