13779002777765 has 8 divisors (see below), whose sum is σ = 16689334206240. Its totient is φ = 10920181640272.

The previous prime is 13779002777731. The next prime is 13779002777767. The reversal of 13779002777765 is 56777720097731.

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 13779002777765 - 2¹⁰ = 13779002776741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13779002777695 and 13779002777704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13779002777767) 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, 12877572155 + ... + 12877573224.

It is an arithmetic number, because the mean of its divisors is an integer number (2086166775780).

Almost surely, 2^{13779002777765} is an apocalyptic number.

It is an amenable number.

13779002777765 is a deficient number, since it is larger than the sum of its proper divisors (2910331428475).

13779002777765 is a wasteful number, since it uses less digits than its factorization.

13779002777765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25755145491.

The product of its (nonzero) digits is 190591380, while the sum is 68.

The spelling of 13779002777765 in words is "thirteen trillion, seven hundred seventy-nine billion, two million, seven hundred seventy-seven thousand, seven hundred sixty-five".