86266420842 has 32 divisors (see below), whose sum is σ = 197687318400. Its totient is φ = 24584182848.

The previous prime is 86266420837. The next prime is 86266420847. The reversal of 86266420842 is 24802466268.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86266420837) and next prime (86266420847).

It is a junction number, because it is equal to n+sod(n) for n = 86266420791 and 86266420800.

It is not an unprimeable number, because it can be changed into a prime (86266420847) 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 15 ways as a sum of consecutive naturals, for example, 2623717 + ... + 2656392.

It is an arithmetic number, because the mean of its divisors is an integer number (6177728700).

Almost surely, 2^86266420842 is an apocalyptic number.

86266420842 is an abundant number, since it is smaller than the sum of its proper divisors (111420897558).

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

86266420842 is a wasteful number, since it uses less digits than its factorization.

86266420842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280510.

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 86266420842 in words is "eighty-six billion, two hundred sixty-six million, four hundred twenty thousand, eight hundred forty-two".