3878764150039 has 4 divisors (see below), whose sum is σ = 4082909631640. Its totient is φ = 3674618668440.

The previous prime is 3878764150031. The next prime is 3878764150043. The reversal of 3878764150039 is 9300514678783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3878764150039 - 2³ = 3878764150031 is a prime.

It is a super-2 number, since 2×3878764150039² (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 (3878764150031) 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, 102072740772 + ... + 102072740809.

It is an arithmetic number, because the mean of its divisors is an integer number (1020727407910).

Almost surely, 2^{3878764150039} is an apocalyptic number.

3878764150039 is a deficient number, since it is larger than the sum of its proper divisors (204145481601).

3878764150039 is a wasteful number, since it uses less digits than its factorization.

3878764150039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204145481600.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 3878764150039 in words is "three trillion, eight hundred seventy-eight billion, seven hundred sixty-four million, one hundred fifty thousand, thirty-nine".