87967966 has 8 divisors (see below), whose sum is σ = 132067224. Its totient is φ = 43945560.

The previous prime is 87967963. The next prime is 87968009. The reversal of 87967966 is 66976978.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87967966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87967963) 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, 16260 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (16508403).

Almost surely, 2^87967966 is an apocalyptic number.

87967966 is a deficient number, since it is larger than the sum of its proper divisors (44099258).

87967966 is a wasteful number, since it uses less digits than its factorization.

87967966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38426.

The product of its digits is 6858432, while the sum is 58.

The square root of 87967966 is about 9379.1239462969. The cubic root of 87967966 is about 444.7420396103.

The spelling of 87967966 in words is "eighty-seven million, nine hundred sixty-seven thousand, nine hundred sixty-six".