87967238 has 4 divisors (see below), whose sum is σ = 131950860. Its totient is φ = 43983618.

The previous prime is 87967219. The next prime is 87967273. The reversal of 87967238 is 83276978.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83276978 = 2 ⋅41638489.

It is a super-2 number, since 2×87967238² = 15476469922697288, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21991808 + ... + 21991811.

It is an arithmetic number, because the mean of its divisors is an integer number (32987715).

Almost surely, 2^87967238 is an apocalyptic number.

87967238 is a deficient number, since it is larger than the sum of its proper divisors (43983622).

87967238 is a wasteful number, since it uses less digits than its factorization.

87967238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43983621.

The product of its digits is 1016064, while the sum is 50.

The square root of 87967238 is about 9379.0851366218. The cubic root of 87967238 is about 444.7408127505.

The spelling of 87967238 in words is "eighty-seven million, nine hundred sixty-seven thousand, two hundred thirty-eight".