3887652278867 has 4 divisors (see below), whose sum is σ = 4443031175856. Its totient is φ = 3332273381880.

The previous prime is 3887652278813. The next prime is 3887652278869. The reversal of 3887652278867 is 7688722567883.

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 3887652278867 - 2¹² = 3887652274771 is a prime.

It is a super-2 number, since 2×3887652278867² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3887652278869) 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, 277689448484 + ... + 277689448497.

It is an arithmetic number, because the mean of its divisors is an integer number (1110757793964).

Almost surely, 2^{3887652278867} is an apocalyptic number.

3887652278867 is a deficient number, since it is larger than the sum of its proper divisors (555378896989).

3887652278867 is an equidigital number, since it uses as much as digits as its factorization.

3887652278867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555378896988.

The product of its digits is 3034644480, while the sum is 77.

The spelling of 3887652278867 in words is "three trillion, eight hundred eighty-seven billion, six hundred fifty-two million, two hundred seventy-eight thousand, eight hundred sixty-seven".