7861093367857 has 16 divisors (see below), whose sum is σ = 8337081061440. Its totient is φ = 7391354347008.

The previous prime is 7861093367849. The next prime is 7861093367863. The reversal of 7861093367857 is 7587633901687.

It is not a de Polignac number, because 7861093367857 - 2³ = 7861093367849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7861093367957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11503753 + ... + 12167929.

It is an arithmetic number, because the mean of its divisors is an integer number (521067566340).

Almost surely, 2^{7861093367857} is an apocalyptic number.

It is an amenable number.

7861093367857 is a deficient number, since it is larger than the sum of its proper divisors (475987693583).

7861093367857 is a wasteful number, since it uses less digits than its factorization.

7861093367857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668880.

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 7861093367857 in words is "seven trillion, eight hundred sixty-one billion, ninety-three million, three hundred sixty-seven thousand, eight hundred fifty-seven".