3862661087427 has 4 divisors (see below), whose sum is σ = 5150214783240. Its totient is φ = 2575107391616.

The previous prime is 3862661087423. The next prime is 3862661087443. The reversal of 3862661087427 is 7247801662683.

It is a happy number.

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 3862661087427 - 2² = 3862661087423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3862661087423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643776847902 + ... + 643776847907.

It is an arithmetic number, because the mean of its divisors is an integer number (1287553695810).

Almost surely, 2^{3862661087427} is an apocalyptic number.

3862661087427 is a deficient number, since it is larger than the sum of its proper divisors (1287553695813).

3862661087427 is a wasteful number, since it uses less digits than its factorization.

3862661087427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287553695812.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 3862661087427 in words is "three trillion, eight hundred sixty-two billion, six hundred sixty-one million, eighty-seven thousand, four hundred twenty-seven".