3878516735 has 8 divisors (see below), whose sum is σ = 4669382256. Its totient is φ = 3092705280.

The previous prime is 3878516693. The next prime is 3878516737. The reversal of 3878516735 is 5376158783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3878516735 - 2¹² = 3878512639 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 (3878516737) 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, 1261826 + ... + 1264895.

It is an arithmetic number, because the mean of its divisors is an integer number (583672782).

Almost surely, 2^3878516735 is an apocalyptic number.

3878516735 is a deficient number, since it is larger than the sum of its proper divisors (790865521).

3878516735 is a wasteful number, since it uses less digits than its factorization.

3878516735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527033.

The product of its digits is 4233600, while the sum is 53.

The square root of 3878516735 is about 62277.7386792424. The cubic root of 3878516735 is about 1571.1653396567.

The spelling of 3878516735 in words is "three billion, eight hundred seventy-eight million, five hundred sixteen thousand, seven hundred thirty-five".