86694249668 has 24 divisors (see below), whose sum is σ = 163545755520. Its totient is φ = 39973439520.

The previous prime is 86694249583. The next prime is 86694249679.

86694249668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×86694249668² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86694249598 and 86694249607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765068 + ... + 871043.

It is an arithmetic number, because the mean of its divisors is an integer number (6814406480).

Almost surely, 2^86694249668 is an apocalyptic number.

It is an amenable number.

86694249668 is a deficient number, since it is larger than the sum of its proper divisors (76851505852).

86694249668 is a wasteful number, since it uses less digits than its factorization.

86694249668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637147 (or 1637145 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 68.

The spelling of 86694249668 in words is "eighty-six billion, six hundred ninety-four million, two hundred forty-nine thousand, six hundred sixty-eight".