86197642371 has 16 divisors (see below), whose sum is σ = 129498808320. Its totient is φ = 56655726120.

The previous prime is 86197642357. The next prime is 86197642381. The reversal of 86197642371 is 17324679168.

86197642371 is a `hidden beast` number, since 8 + 61 + 97 + 6 + 423 + 71 = 666.

It is not a de Polignac number, because 86197642371 - 2¹¹ = 86197640323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86197642301) 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, 22480515 + ... + 22484348.

It is an arithmetic number, because the mean of its divisors is an integer number (8093675520).

Almost surely, 2^86197642371 is an apocalyptic number.

86197642371 is a deficient number, since it is larger than the sum of its proper divisors (43301165949).

86197642371 is a wasteful number, since it uses less digits than its factorization.

86197642371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44964943 (or 44964937 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 86197642371 in words is "eighty-six billion, one hundred ninety-seven million, six hundred forty-two thousand, three hundred seventy-one".