86541970 has 16 divisors (see below), whose sum is σ = 156282048. Its totient is φ = 34504240.

The previous prime is 86541943. The next prime is 86541989. The reversal of 86541970 is 7914568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10804 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (9767628).

Almost surely, 2^86541970 is an apocalyptic number.

86541970 is a deficient number, since it is larger than the sum of its proper divisors (69740078).

86541970 is a wasteful number, since it uses less digits than its factorization.

86541970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28145.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 86541970 is about 9302.7936664209. The cubic root of 86541970 is about 442.3257871246.

The spelling of 86541970 in words is "eighty-six million, five hundred forty-one thousand, nine hundred seventy".