28247146746 has 64 divisors (see below), whose sum is σ = 73191014400. Its totient is φ = 7057699776.

The previous prime is 28247146721. The next prime is 28247146771. The reversal of 28247146746 is 64764174282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28247146721) and next prime (28247146771).

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, 1351066 + ... + 1371813.

It is an arithmetic number, because the mean of its divisors is an integer number (1143609600).

Almost surely, 2^28247146746 is an apocalyptic number.

28247146746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28247146746 is an abundant number, since it is smaller than the sum of its proper divisors (44943867654).

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

28247146746 is a wasteful number, since it uses less digits than its factorization.

28247146746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722923.

The product of its digits is 3612672, while the sum is 51.

The spelling of 28247146746 in words is "twenty-eight billion, two hundred forty-seven million, one hundred forty-six thousand, seven hundred forty-six".