86858948 has 24 divisors (see below), whose sum is σ = 173033280. Its totient is φ = 37764320.

The previous prime is 86858917. The next prime is 86858953. The reversal of 86858948 is 84985868.

It is a junction number, because it is equal to n+sod(n) for n = 86858893 and 86858902.

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 7 ways as a sum of consecutive naturals, for example, 41903 + ... + 43926.

It is an arithmetic number, because the mean of its divisors is an integer number (7209720).

Almost surely, 2^86858948 is an apocalyptic number.

It is an amenable number.

86858948 is a deficient number, since it is larger than the sum of its proper divisors (86174332).

86858948 is a wasteful number, since it uses less digits than its factorization.

86858948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85867 (or 85865 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 56.

The square root of 86858948 is about 9319.8148050270. The cubic root of 86858948 is about 442.8651659217.

Subtracting from 86858948 its reverse (84985868), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 86858948 in words is "eighty-six million, eight hundred fifty-eight thousand, nine hundred forty-eight".