86486111778 has 32 divisors (see below), whose sum is σ = 189898885440. Its totient is φ = 26040980160.

The previous prime is 86486111741. The next prime is 86486111779. The reversal of 86486111778 is 87711168468.

It is not an unprimeable number, because it can be changed into a prime (86486111779) 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, 4162873 + ... + 4183596.

It is an arithmetic number, because the mean of its divisors is an integer number (5934340170).

Almost surely, 2^86486111778 is an apocalyptic number.

86486111778 is an abundant number, since it is smaller than the sum of its proper divisors (103412773662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86486111778 is a wasteful number, since it uses less digits than its factorization.

86486111778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346642.

The product of its digits is 3612672, while the sum is 57.

The spelling of 86486111778 in words is "eighty-six billion, four hundred eighty-six million, one hundred eleven thousand, seven hundred seventy-eight".