27828298947740 has 48 divisors (see below), whose sum is σ = 59430954895200. Its totient is φ = 10942463803392.

The previous prime is 27828298947739. The next prime is 27828298947767. The reversal of 27828298947740 is 4774989282872.

It is a super-2 number, since 2×27828298947740² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82073276 + ... + 82411644.

It is an arithmetic number, because the mean of its divisors is an integer number (1238144893650).

Almost surely, 2^{27828298947740} is an apocalyptic number.

27828298947740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27828298947740 is an abundant number, since it is smaller than the sum of its proper divisors (31602655947460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27828298947740 is a wasteful number, since it uses less digits than its factorization.

27828298947740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408134 (or 408132 counting only the distinct ones).

The product of its (nonzero) digits is 1820786688, while the sum is 77.

The spelling of 27828298947740 in words is "twenty-seven trillion, eight hundred twenty-eight billion, two hundred ninety-eight million, nine hundred forty-seven thousand, seven hundred forty".