86771897158 has 8 divisors (see below), whose sum is σ = 130884985080. Its totient is φ = 43143568800.

The previous prime is 86771897141. The next prime is 86771897161. The reversal of 86771897158 is 85179817768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86771897093 and 86771897102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121189443 + ... + 121190158.

It is an arithmetic number, because the mean of its divisors is an integer number (16360623135).

Almost surely, 2^86771897158 is an apocalyptic number.

86771897158 is a deficient number, since it is larger than the sum of its proper divisors (44113087922).

86771897158 is a wasteful number, since it uses less digits than its factorization.

86771897158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242379782.

The product of its digits is 47416320, while the sum is 67.

The spelling of 86771897158 in words is "eighty-six billion, seven hundred seventy-one million, eight hundred ninety-seven thousand, one hundred fifty-eight".