13776078857761 has 8 divisors (see below), whose sum is σ = 15028601119200. Its totient is φ = 12523581839040.

The previous prime is 13776078857743. The next prime is 13776078857789. The reversal of 13776078857761 is 16775887067731.

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 13776078857761 - 2¹¹ = 13776078855713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13776078857711) 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, 5160456 + ... + 7360873.

It is an arithmetic number, because the mean of its divisors is an integer number (1878575139900).

Almost surely, 2^{13776078857761} is an apocalyptic number.

13776078857761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13776078857761 is a deficient number, since it is larger than the sum of its proper divisors (1252522261439).

13776078857761 is a wasteful number, since it uses less digits than its factorization.

13776078857761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621359.

The product of its (nonzero) digits is 580849920, while the sum is 73.

The spelling of 13776078857761 in words is "thirteen trillion, seven hundred seventy-six billion, seventy-eight million, eight hundred fifty-seven thousand, seven hundred sixty-one".