3877742322613 has 4 divisors (see below), whose sum is σ = 3877773558048. Its totient is φ = 3877711087180.

The previous prime is 3877742322611. The next prime is 3877742322617. The reversal of 3877742322613 is 3162232477783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3877742322613 - 2¹ = 3877742322611 is a prime.

It is a super-2 number, since 2×3877742322613² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877742322611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15430753 + ... + 15680038.

It is an arithmetic number, because the mean of its divisors is an integer number (969443389512).

Almost surely, 2^{3877742322613} is an apocalyptic number.

It is an amenable number.

3877742322613 is a deficient number, since it is larger than the sum of its proper divisors (31235435).

3877742322613 is a wasteful number, since it uses less digits than its factorization.

3877742322613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31235434.

The product of its digits is 14224896, while the sum is 55.

The spelling of 3877742322613 in words is "three trillion, eight hundred seventy-seven billion, seven hundred forty-two million, three hundred twenty-two thousand, six hundred thirteen".