86626696878 has 24 divisors (see below), whose sum is σ = 192056089368. Its totient is φ = 28204040592.

The previous prime is 86626696861. The next prime is 86626696879. The reversal of 86626696878 is 87869662668.

It is a super-2 number, since 2×86626696878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86626696879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55959625 + ... + 55961172.

It is an arithmetic number, because the mean of its divisors is an integer number (8002337057).

Almost surely, 2^86626696878 is an apocalyptic number.

86626696878 is an abundant number, since it is smaller than the sum of its proper divisors (105429392490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86626696878 is a wasteful number, since it uses less digits than its factorization.

86626696878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111920848 (or 111920845 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 86626696878 in words is "eighty-six billion, six hundred twenty-six million, six hundred ninety-six thousand, eight hundred seventy-eight".