86618954 has 4 divisors (see below), whose sum is σ = 129928434. Its totient is φ = 43309476.

The previous prime is 86618947. The next prime is 86618957. The reversal of 86618954 is 45981668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 32228329 = 7375^2 + 5677^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86618899 and 86618908.

It is not an unprimeable number, because it can be changed into a prime (86618957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21654737 + ... + 21654740.

Almost surely, 2^86618954 is an apocalyptic number.

86618954 is a deficient number, since it is larger than the sum of its proper divisors (43309480).

86618954 is a wasteful number, since it uses less digits than its factorization.

86618954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43309479.

The product of its digits is 414720, while the sum is 47.

The square root of 86618954 is about 9306.9304284495. The cubic root of 86618954 is about 442.4569062271.

The spelling of 86618954 in words is "eighty-six million, six hundred eighteen thousand, nine hundred fifty-four".