4878787439613 has 4 divisors (see below), whose sum is σ = 6505049919488. Its totient is φ = 3252524959740.

The previous prime is 4878787439611. The next prime is 4878787439627. The reversal of 4878787439613 is 3169347878784.

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 not a de Polignac number, because 4878787439613 - 2¹ = 4878787439611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878787439611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813131239933 + ... + 813131239938.

It is an arithmetic number, because the mean of its divisors is an integer number (1626262479872).

Almost surely, 2^{4878787439613} is an apocalyptic number.

It is an amenable number.

4878787439613 is a deficient number, since it is larger than the sum of its proper divisors (1626262479875).

4878787439613 is a wasteful number, since it uses less digits than its factorization.

4878787439613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626262479874.

The product of its digits is 1365590016, while the sum is 75.

The spelling of 4878787439613 in words is "four trillion, eight hundred seventy-eight billion, seven hundred eighty-seven million, four hundred thirty-nine thousand, six hundred thirteen".