28554838514 has 32 divisors (see below), whose sum is σ = 45566582400. Its totient is φ = 13390529152.

The previous prime is 28554838493. The next prime is 28554838523. The reversal of 28554838514 is 41583845582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5597537 + ... + 5602635.

It is an arithmetic number, because the mean of its divisors is an integer number (1423955700).

Almost surely, 2^28554838514 is an apocalyptic number.

28554838514 is a deficient number, since it is larger than the sum of its proper divisors (17011743886).

28554838514 is a wasteful number, since it uses less digits than its factorization.

28554838514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474.

The product of its digits is 6144000, while the sum is 53.

The spelling of 28554838514 in words is "twenty-eight billion, five hundred fifty-four million, eight hundred thirty-eight thousand, five hundred fourteen".