13777472315 has 4 divisors (see below), whose sum is σ = 16532966784. Its totient is φ = 11021977848.

The previous prime is 13777472273. The next prime is 13777472339. The reversal of 13777472315 is 51327477731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51327477731 = 190297 ⋅269723.

It is a cyclic number.

It is not a de Polignac number, because 13777472315 - 2¹⁰ = 13777471291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13777472315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377747227 + ... + 1377747236.

It is an arithmetic number, because the mean of its divisors is an integer number (4133241696).

Almost surely, 2^13777472315 is an apocalyptic number.

13777472315 is a deficient number, since it is larger than the sum of its proper divisors (2755494469).

13777472315 is an equidigital number, since it uses as much as digits as its factorization.

13777472315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755494468.

The product of its digits is 864360, while the sum is 47.

The spelling of 13777472315 in words is "thirteen billion, seven hundred seventy-seven million, four hundred seventy-two thousand, three hundred fifteen".