87967193 has 4 divisors (see below), whose sum is σ = 87994128. Its totient is φ = 87940260.

The previous prime is 87967189. The next prime is 87967199. The reversal of 87967193 is 39176978.

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 87967193 - 2² = 87967189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87967199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7763 + ... + 15368.

It is an arithmetic number, because the mean of its divisors is an integer number (21998532).

Almost surely, 2^87967193 is an apocalyptic number.

It is an amenable number.

87967193 is a deficient number, since it is larger than the sum of its proper divisors (26935).

87967193 is a wasteful number, since it uses less digits than its factorization.

87967193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26934.

The product of its digits is 571536, while the sum is 50.

The square root of 87967193 is about 9379.0827376668. The cubic root of 87967193 is about 444.7407369141.

The spelling of 87967193 in words is "eighty-seven million, nine hundred sixty-seven thousand, one hundred ninety-three".