86280138086 has 4 divisors (see below), whose sum is σ = 129420207132. Its totient is φ = 43140069042.

The previous prime is 86280138071. The next prime is 86280138101. The reversal of 86280138086 is 68083108268.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86280138071) and next prime (86280138101).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570034520 + ... + 21570034523.

It is an arithmetic number, because the mean of its divisors is an integer number (32355051783).

Almost surely, 2^86280138086 is an apocalyptic number.

86280138086 is a deficient number, since it is larger than the sum of its proper divisors (43140069046).

86280138086 is a wasteful number, since it uses less digits than its factorization.

86280138086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43140069045.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 86280138086 in words is "eighty-six billion, two hundred eighty million, one hundred thirty-eight thousand, eighty-six".