86969309826 has 48 divisors (see below), whose sum is σ = 202360836384. Its totient is φ = 24845417856.

The previous prime is 86969309783. The next prime is 86969309863. The reversal of 86969309826 is 62890396968.

It is a super-2 number, since 2×86969309826² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4068001 + ... + 4089323.

It is an arithmetic number, because the mean of its divisors is an integer number (4215850758).

Almost surely, 2^86969309826 is an apocalyptic number.

86969309826 is an abundant number, since it is smaller than the sum of its proper divisors (115391526558).

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

86969309826 is a wasteful number, since it uses less digits than its factorization.

86969309826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35215 (or 35208 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 66.

The spelling of 86969309826 in words is "eighty-six billion, nine hundred sixty-nine million, three hundred nine thousand, eight hundred twenty-six".