86501966 has 16 divisors (see below), whose sum is σ = 134171520. Its totient is φ = 41783040.

The previous prime is 86501963. The next prime is 86501969. The reversal of 86501966 is 66910568.

It is an interprime number because it is at equal distance from previous prime (86501963) and next prime (86501969).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86501963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57350 + ... + 58838.

It is an arithmetic number, because the mean of its divisors is an integer number (8385720).

Almost surely, 2^86501966 is an apocalyptic number.

86501966 is a deficient number, since it is larger than the sum of its proper divisors (47669554).

86501966 is a wasteful number, since it uses less digits than its factorization.

86501966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 86501966 is about 9300.6433110834. The cubic root of 86501966 is about 442.2576216323.

The spelling of 86501966 in words is "eighty-six million, five hundred one thousand, nine hundred sixty-six".