428612012707 has 4 divisors (see below), whose sum is σ = 428936474296. Its totient is φ = 428287551120.

The previous prime is 428612012701. The next prime is 428612012737. The reversal of 428612012707 is 707210216824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428612012707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428612012707.

It is not an unprimeable number, because it can be changed into a prime (428612012701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162228813 + ... + 162231454.

It is an arithmetic number, because the mean of its divisors is an integer number (107234118574).

Almost surely, 2^428612012707 is an apocalyptic number.

428612012707 is a deficient number, since it is larger than the sum of its proper divisors (324461589).

428612012707 is a wasteful number, since it uses less digits than its factorization.

428612012707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324461588.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 428612012707 in words is "four hundred twenty-eight billion, six hundred twelve million, twelve thousand, seven hundred seven".