28764025115 has 32 divisors (see below), whose sum is σ = 41578116480. Its totient is φ = 18684417024.

The previous prime is 28764025099. The next prime is 28764025123. The reversal of 28764025115 is 51152046782.

It is not a de Polignac number, because 28764025115 - 2⁴ = 28764025099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213554 + ... + 321143.

It is an arithmetic number, because the mean of its divisors is an integer number (1299316140).

Almost surely, 2^28764025115 is an apocalyptic number.

28764025115 is a deficient number, since it is larger than the sum of its proper divisors (12814091365).

28764025115 is a wasteful number, since it uses less digits than its factorization.

28764025115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534791.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 28764025115 in words is "twenty-eight billion, seven hundred sixty-four million, twenty-five thousand, one hundred fifteen".