428672782165 has 16 divisors (see below), whose sum is σ = 515345846400. Its totient is φ = 342313049920.

The previous prime is 428672782123. The next prime is 428672782207. The reversal of 428672782165 is 561287276824.

It is an interprime number because it is at equal distance from previous prime (428672782123) and next prime (428672782207).

It is not a de Polignac number, because 428672782165 - 2⁷ = 428672782037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7187136 + ... + 7246534.

It is an arithmetic number, because the mean of its divisors is an integer number (32209115400).

Almost surely, 2^428672782165 is an apocalyptic number.

It is an amenable number.

428672782165 is a deficient number, since it is larger than the sum of its proper divisors (86673064235).

428672782165 is a wasteful number, since it uses less digits than its factorization.

428672782165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62012.

The product of its digits is 18063360, while the sum is 58.

The spelling of 428672782165 in words is "four hundred twenty-eight billion, six hundred seventy-two million, seven hundred eighty-two thousand, one hundred sixty-five".