86854042 has 12 divisors (see below), whose sum is σ = 143201898. Its totient is φ = 39479000.

The previous prime is 86853989. The next prime is 86854051. The reversal of 86854042 is 24045868.

It can be written as a sum of positive squares in only one way, i.e., 44876601 + 41977441 = 6699^2 + 6479^2 .

It is a super-2 number, since 2×86854042² = 15087249223475528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86853992 and 86854010.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 179209 + ... + 179692.

Almost surely, 2^86854042 is an apocalyptic number.

86854042 is a deficient number, since it is larger than the sum of its proper divisors (56347856).

86854042 is a wasteful number, since it uses less digits than its factorization.

86854042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358925 (or 358914 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 86854042 is about 9319.5515986554. The cubic root of 86854042 is about 442.8568277387.

The spelling of 86854042 in words is "eighty-six million, eight hundred fifty-four thousand, forty-two".