86678745511057 has 16 divisors (see below), whose sum is σ = 99144119456640. Its totient is φ = 74234048136192.

The previous prime is 86678745511051. The next prime is 86678745511079. The reversal of 86678745511057 is 75011554787668.

It is a happy number.

It is not a de Polignac number, because 86678745511057 - 2³ = 86678745511049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86678745511051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612746778 + ... + 612888220.

It is an arithmetic number, because the mean of its divisors is an integer number (6196507466040).

Almost surely, 2^{86678745511057} is an apocalyptic number.

It is an amenable number.

86678745511057 is a deficient number, since it is larger than the sum of its proper divisors (12465373945583).

86678745511057 is a wasteful number, since it uses less digits than its factorization.

86678745511057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213912.

The product of its (nonzero) digits is 395136000, while the sum is 70.

The spelling of 86678745511057 in words is "eighty-six trillion, six hundred seventy-eight billion, seven hundred forty-five million, five hundred eleven thousand, fifty-seven".