3896856624727 has 16 divisors (see below), whose sum is σ = 4309512221952. Its totient is φ = 3493937315520.

The previous prime is 3896856624599. The next prime is 3896856624733. The reversal of 3896856624727 is 7274266586983.

It is a cyclic number.

It is not a de Polignac number, because 3896856624727 - 2⁷ = 3896856624599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3896856624727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896856624797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26028478 + ... + 26177764.

It is an arithmetic number, because the mean of its divisors is an integer number (269344513872).

Almost surely, 2^{3896856624727} is an apocalyptic number.

3896856624727 is a deficient number, since it is larger than the sum of its proper divisors (412655597225).

3896856624727 is a wasteful number, since it uses less digits than its factorization.

3896856624727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181878.

The product of its digits is 1463132160, while the sum is 73.

The spelling of 3896856624727 in words is "three trillion, eight hundred ninety-six billion, eight hundred fifty-six million, six hundred twenty-four thousand, seven hundred twenty-seven".