87965197 has 8 divisors (see below), whose sum is σ = 91825920. Its totient is φ = 84168480.

The previous prime is 87965167. The next prime is 87965203. The reversal of 87965197 is 79156978.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87965197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87965167) 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, 13183 + ... + 18700.

It is an arithmetic number, because the mean of its divisors is an integer number (11478240).

Almost surely, 2^87965197 is an apocalyptic number.

It is an amenable number.

87965197 is a deficient number, since it is larger than the sum of its proper divisors (3860723).

87965197 is a wasteful number, since it uses less digits than its factorization.

87965197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003.

The product of its digits is 952560, while the sum is 52.

The square root of 87965197 is about 9378.9763300693. The cubic root of 87965197 is about 444.7373731252.

The spelling of 87965197 in words is "eighty-seven million, nine hundred sixty-five thousand, one hundred ninety-seven".