13217765403377 has 8 divisors (see below), whose sum is σ = 13254261820800. Its totient is φ = 13181292560304.

The previous prime is 13217765403373. The next prime is 13217765403379. The reversal of 13217765403377 is 77330456771231.

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 13217765403377 - 2² = 13217765403373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13217765403373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4770377 + ... + 7013702.

It is an arithmetic number, because the mean of its divisors is an integer number (1656782727600).

Almost surely, 2^{13217765403377} is an apocalyptic number.

It is an amenable number.

13217765403377 is a deficient number, since it is larger than the sum of its proper divisors (36496417423).

13217765403377 is a wasteful number, since it uses less digits than its factorization.

13217765403377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787175.

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 13217765403377 in words is "thirteen trillion, two hundred seventeen billion, seven hundred sixty-five million, four hundred three thousand, three hundred seventy-seven".