86466637842 has 64 divisors (see below), whose sum is σ = 192343388160. Its totient is φ = 25733505600.

The previous prime is 86466637813. The next prime is 86466637871. The reversal of 86466637842 is 24873666468.

It is an interprime number because it is at equal distance from previous prime (86466637813) and next prime (86466637871).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5260617 + ... + 5277027.

It is an arithmetic number, because the mean of its divisors is an integer number (3005365440).

Almost surely, 2^86466637842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86466637842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96171694080).

86466637842 is an abundant number, since it is smaller than the sum of its proper divisors (105876750318).

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

86466637842 is a wasteful number, since it uses less digits than its factorization.

86466637842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639.

The product of its digits is 55738368, while the sum is 60.

The spelling of 86466637842 in words is "eighty-six billion, four hundred sixty-six million, six hundred thirty-seven thousand, eight hundred forty-two".