86957966 has 8 divisors (see below), whose sum is σ = 133618464. Its totient is φ = 42418480.

The previous prime is 86957957. The next prime is 86957977. The reversal of 86957966 is 66975968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530150 + ... + 530313.

It is an arithmetic number, because the mean of its divisors is an integer number (16702308).

Almost surely, 2^86957966 is an apocalyptic number.

86957966 is a deficient number, since it is larger than the sum of its proper divisors (46660498).

86957966 is a wasteful number, since it uses less digits than its factorization.

86957966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060506.

The product of its digits is 4898880, while the sum is 56.

The square root of 86957966 is about 9325.1255219434. The cubic root of 86957966 is about 443.0333887364.

It can be divided in two parts, 8695 and 7966, that added together give a palindrome (16661).

The spelling of 86957966 in words is "eighty-six million, nine hundred fifty-seven thousand, nine hundred sixty-six".