428762508231 has 8 divisors (see below), whose sum is σ = 571698736384. Its totient is φ = 285833976120.

The previous prime is 428762508227. The next prime is 428762508277. The reversal of 428762508231 is 132805267824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428762508231 - 2² = 428762508227 is a prime.

It is a super-2 number, since 2×428762508231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428762501231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792735 + ... + 2017776.

It is an arithmetic number, because the mean of its divisors is an integer number (71462342048).

Almost surely, 2^428762508231 is an apocalyptic number.

428762508231 is a deficient number, since it is larger than the sum of its proper divisors (142936228153).

428762508231 is a wasteful number, since it uses less digits than its factorization.

428762508231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848021.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 428762508231 in words is "four hundred twenty-eight billion, seven hundred sixty-two million, five hundred eight thousand, two hundred thirty-one".