86634810155 has 4 divisors (see below), whose sum is σ = 103961772192. Its totient is φ = 69307848120.

The previous prime is 86634810107. The next prime is 86634810271. The reversal of 86634810155 is 55101843668.

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

It is not a de Polignac number, because 86634810155 - 2¹² = 86634806059 is a prime.

It is a super-3 number, since 3×86634810155³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8663481011 + ... + 8663481020.

It is an arithmetic number, because the mean of its divisors is an integer number (25990443048).

Almost surely, 2^86634810155 is an apocalyptic number.

86634810155 is a deficient number, since it is larger than the sum of its proper divisors (17326962037).

86634810155 is a wasteful number, since it uses less digits than its factorization.

86634810155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17326962036.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 86634810155 in words is "eighty-six billion, six hundred thirty-four million, eight hundred ten thousand, one hundred fifty-five".