428506017577 has 8 divisors (see below), whose sum is σ = 467536593600. Its totient is φ = 389488022160.

The previous prime is 428506017571. The next prime is 428506017613. The reversal of 428506017577 is 775710605824.

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 428506017577 - 2⁷ = 428506017449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428506017571) 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, 3073858 + ... + 3210235.

It is an arithmetic number, because the mean of its divisors is an integer number (58442074200).

Almost surely, 2^428506017577 is an apocalyptic number.

It is an amenable number.

428506017577 is a deficient number, since it is larger than the sum of its proper divisors (39030576023).

428506017577 is a wasteful number, since it uses less digits than its factorization.

428506017577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290303.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 428506017577 in words is "four hundred twenty-eight billion, five hundred six million, seventeen thousand, five hundred seventy-seven".