508032778883617 has 8 divisors (see below), whose sum is σ = 579295295378856. Its totient is φ = 441367844097792.

The previous prime is 508032778883563. The next prime is 508032778883621. The reversal of 508032778883617 is 716388877230805.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121876322937121 + 386156455946496 = 11039761^2 + 19650864^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508032778883617 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 508032778883617.

It is not an unprimeable number, because it can be changed into a prime (508032778883677) 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, 1149395427118 + ... + 1149395427559.

It is an arithmetic number, because the mean of its divisors is an integer number (72411911922357).

Almost surely, 2^{508032778883617} is an apocalyptic number.

It is an amenable number.

508032778883617 is a deficient number, since it is larger than the sum of its proper divisors (71262516495239).

508032778883617 is a wasteful number, since it uses less digits than its factorization.

508032778883617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298790854707.

The product of its (nonzero) digits is 758661120, while the sum is 73.

The spelling of 508032778883617 in words is "five hundred eight trillion, thirty-two billion, seven hundred seventy-eight million, eight hundred eighty-three thousand, six hundred seventeen".