428646793255 has 16 divisors (see below), whose sum is σ = 517906980864. Its totient is φ = 340567127200.

The previous prime is 428646793249. The next prime is 428646793261. The reversal of 428646793255 is 552397646824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428646793249) and next prime (428646793261).

It is a de Polignac number, because none of the positive numbers 2^k-428646793255 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428646793193 and 428646793202.

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, 738084 + ... + 1184086.

It is an arithmetic number, because the mean of its divisors is an integer number (32369186304).

Almost surely, 2^428646793255 is an apocalyptic number.

428646793255 is a deficient number, since it is larger than the sum of its proper divisors (89260187609).

428646793255 is a wasteful number, since it uses less digits than its factorization.

428646793255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447326.

The product of its digits is 87091200, while the sum is 61.

The spelling of 428646793255 in words is "four hundred twenty-eight billion, six hundred forty-six million, seven hundred ninety-three thousand, two hundred fifty-five".