86860970 has 32 divisors (see below), whose sum is σ = 188092800. Its totient is φ = 28213056.

The previous prime is 86860967. The next prime is 86860987. The reversal of 86860970 is 7906868.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 31325 + ... + 33984.

It is an arithmetic number, because the mean of its divisors is an integer number (5877900).

Almost surely, 2^86860970 is an apocalyptic number.

86860970 is an abundant number, since it is smaller than the sum of its proper divisors (101231830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86860970 is a wasteful number, since it uses less digits than its factorization.

86860970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65342.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 86860970 is about 9319.9232829461. The cubic root of 86860970 is about 442.8686023991.

The spelling of 86860970 in words is "eighty-six million, eight hundred sixty thousand, nine hundred seventy".