86964121 has 4 divisors (see below), whose sum is σ = 91541200. Its totient is φ = 82387044.

The previous prime is 86964113. The next prime is 86964133. The reversal of 86964121 is 12146968.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86964121 - 2³ = 86964113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86964151) by changing a digit.

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, 2288511 + ... + 2288548.

It is an arithmetic number, because the mean of its divisors is an integer number (22885300).

Almost surely, 2^86964121 is an apocalyptic number.

It is an amenable number.

86964121 is a deficient number, since it is larger than the sum of its proper divisors (4577079).

86964121 is a wasteful number, since it uses less digits than its factorization.

86964121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577078.

The product of its digits is 20736, while the sum is 37.

The square root of 86964121 is about 9325.4555384710. The cubic root of 86964121 is about 443.0438413198.

The spelling of 86964121 in words is "eighty-six million, nine hundred sixty-four thousand, one hundred twenty-one".