3873766117265 has 32 divisors (see below), whose sum is σ = 5187944401920. Its totient is φ = 2752949444800.

The previous prime is 3873766117229. The next prime is 3873766117301. The reversal of 3873766117265 is 5627116673783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3873766117229) and next prime (3873766117301).

It is not a de Polignac number, because 3873766117265 - 2²⁰ = 3873765068689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3873766117198 and 3873766117207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3032231 + ... + 4116060.

It is an arithmetic number, because the mean of its divisors is an integer number (162123262560).

Almost surely, 2^{3873766117265} is an apocalyptic number.

It is an amenable number.

3873766117265 is a deficient number, since it is larger than the sum of its proper divisors (1314178284655).

3873766117265 is a wasteful number, since it uses less digits than its factorization.

3873766117265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148533.

The product of its digits is 53343360, while the sum is 62.

The spelling of 3873766117265 in words is "three trillion, eight hundred seventy-three billion, seven hundred sixty-six million, one hundred seventeen thousand, two hundred sixty-five".