86979618134 has 4 divisors (see below), whose sum is σ = 130469427204. Its totient is φ = 43489809066.

The previous prime is 86979618101. The next prime is 86979618137. The reversal of 86979618134 is 43181697968.

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

It is a super-3 number, since 3×86979618134³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86979618137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21744904532 + ... + 21744904535.

It is an arithmetic number, because the mean of its divisors is an integer number (32617356801).

Almost surely, 2^86979618134 is an apocalyptic number.

86979618134 is a deficient number, since it is larger than the sum of its proper divisors (43489809070).

86979618134 is a wasteful number, since it uses less digits than its factorization.

86979618134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43489809069.

The product of its digits is 15676416, while the sum is 62.

The spelling of 86979618134 in words is "eighty-six billion, nine hundred seventy-nine million, six hundred eighteen thousand, one hundred thirty-four".