428107970763 has 144 divisors (see below), whose sum is σ = 719137618080. Its totient is φ = 251503211520.

The previous prime is 428107970749. The next prime is 428107970767. The reversal of 428107970763 is 367079701824.

428107970763 is a `hidden beast` number, since 428 + 10 + 79 + 70 + 76 + 3 = 666.

It is not a de Polignac number, because 428107970763 - 2⁴ = 428107970747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428107970767) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 988701795 + ... + 988702227.

Almost surely, 2^428107970763 is an apocalyptic number.

428107970763 is a deficient number, since it is larger than the sum of its proper divisors (291029647317).

428107970763 is a wasteful number, since it uses less digits than its factorization.

428107970763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 428107970763 in words is "four hundred twenty-eight billion, one hundred seven million, nine hundred seventy thousand, seven hundred sixty-three".