428176380889 has 8 divisors (see below), whose sum is σ = 442217238272. Its totient is φ = 414149818320.

The previous prime is 428176380857. The next prime is 428176380917. The reversal of 428176380889 is 988083671824.

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

It is a cyclic number.

It is not a de Polignac number, because 428176380889 - 2⁵ = 428176380857 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 428176380889.

It is not an unprimeable number, because it can be changed into a prime (428176380839) 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, 3512799 + ... + 3632644.

It is an arithmetic number, because the mean of its divisors is an integer number (55277154784).

Almost surely, 2^428176380889 is an apocalyptic number.

It is an amenable number.

428176380889 is a deficient number, since it is larger than the sum of its proper divisors (14040857383).

428176380889 is a wasteful number, since it uses less digits than its factorization.

428176380889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147407.

The product of its (nonzero) digits is 37158912, while the sum is 64.

The spelling of 428176380889 in words is "four hundred twenty-eight billion, one hundred seventy-six million, three hundred eighty thousand, eight hundred eighty-nine".