505671885377 has 8 divisors (see below), whose sum is σ = 509522268576. Its totient is φ = 501835737312.

The previous prime is 505671885343. The next prime is 505671885413. The reversal of 505671885377 is 773588176505.

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 505671885377 - 2²⁶ = 505604776513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505671882377) 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, 3487463 + ... + 3629564.

It is an arithmetic number, because the mean of its divisors is an integer number (63690283572).

Almost surely, 2^505671885377 is an apocalyptic number.

It is an amenable number.

505671885377 is a deficient number, since it is larger than the sum of its proper divisors (3850383199).

505671885377 is a wasteful number, since it uses less digits than its factorization.

505671885377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117567.

The product of its (nonzero) digits is 49392000, while the sum is 62.

The spelling of 505671885377 in words is "five hundred five billion, six hundred seventy-one million, eight hundred eighty-five thousand, three hundred seventy-seven".