86205379436 has 18 divisors (see below), whose sum is σ = 164577624372. Its totient is φ = 39183378120.

The previous prime is 86205379417. The next prime is 86205379499. The reversal of 86205379436 is 63497350268.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1925441 + ... + 1969703.

It is an arithmetic number, because the mean of its divisors is an integer number (9143201354).

Almost surely, 2^86205379436 is an apocalyptic number.

It is an amenable number.

86205379436 is a deficient number, since it is larger than the sum of its proper divisors (78372244936).

86205379436 is an frugal number, since it uses more digits than its factorization.

86205379436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88541 (or 44276 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 86205379436 in words is "eighty-six billion, two hundred five million, three hundred seventy-nine thousand, four hundred thirty-six".