86699955 has 16 divisors (see below), whose sum is σ = 138910464. Its totient is φ = 46176480.

The previous prime is 86699939. The next prime is 86699959. The reversal of 86699955 is 55999668.

It is not a de Polignac number, because 86699955 - 2⁴ = 86699939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86699895 and 86699904.

It is not an unprimeable number, because it can be changed into a prime (86699959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8602 + ... + 15728.

It is an arithmetic number, because the mean of its divisors is an integer number (8681904).

Almost surely, 2^86699955 is an apocalyptic number.

86699955 is a deficient number, since it is larger than the sum of its proper divisors (52210509).

86699955 is a wasteful number, since it uses less digits than its factorization.

86699955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946.

The product of its digits is 5248800, while the sum is 57.

The square root of 86699955 is about 9311.2810611645. The cubic root of 86699955 is about 442.5947832327.

The spelling of 86699955 in words is "eighty-six million, six hundred ninety-nine thousand, nine hundred fifty-five".