86699668 has 24 divisors (see below), whose sum is σ = 165856320. Its totient is φ = 39328320.

The previous prime is 86699663. The next prime is 86699671.

86699668 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86699663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23305 + ... + 26767.

It is an arithmetic number, because the mean of its divisors is an integer number (6910680).

Almost surely, 2^86699668 is an apocalyptic number.

It is an amenable number.

86699668 is a deficient number, since it is larger than the sum of its proper divisors (79156652).

86699668 is a wasteful number, since it uses less digits than its factorization.

86699668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4045 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 86699668 is about 9311.2656497385. The cubic root of 86699668 is about 442.5942948632.

The spelling of 86699668 in words is "eighty-six million, six hundred ninety-nine thousand, six hundred sixty-eight".