13887765277764 has 48 divisors (see below), whose sum is σ = 37821999065088. Its totient is φ = 3883508830368.

The previous prime is 13887765277693. The next prime is 13887765277769. The reversal of 13887765277764 is 46777256778831.

It is a self number, because there is not a number n which added to its sum of digits gives 13887765277764.

It is not an unprimeable number, because it can be changed into a prime (13887765277769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758831574 + ... + 1758839469.

It is an arithmetic number, because the mean of its divisors is an integer number (787958313856).

Almost surely, 2^{13887765277764} is an apocalyptic number.

13887765277764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13887765277764 is an abundant number, since it is smaller than the sum of its proper divisors (23934233787324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13887765277764 is a wasteful number, since it uses less digits than its factorization.

13887765277764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517671104 (or 3517671102 counting only the distinct ones).

The product of its digits is 4646799360, while the sum is 78.

The spelling of 13887765277764 in words is "thirteen trillion, eight hundred eighty-seven billion, seven hundred sixty-five million, two hundred seventy-seven thousand, seven hundred sixty-four".