428286875736146 has 64 divisors (see below), whose sum is σ = 779664919080960. Its totient is φ = 172250269839360.

The previous prime is 428286875736143. The next prime is 428286875736149. The reversal of 428286875736146 is 641637578682824.

It is an interprime number because it is at equal distance from previous prime (428286875736143) and next prime (428286875736149).

It is not an unprimeable number, because it can be changed into a prime (428286875736143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204446846 + ... + 206531078.

It is an arithmetic number, because the mean of its divisors is an integer number (12182264360640).

Almost surely, 2^{428286875736146} is an apocalyptic number.

428286875736146 is a deficient number, since it is larger than the sum of its proper divisors (351378043344814).

428286875736146 is a wasteful number, since it uses less digits than its factorization.

428286875736146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086779.

The product of its digits is 5202247680, while the sum is 77.

The spelling of 428286875736146 in words is "four hundred twenty-eight trillion, two hundred eighty-six billion, eight hundred seventy-five million, seven hundred thirty-six thousand, one hundred forty-six".