87438334 has 8 divisors (see below), whose sum is σ = 131197680. Its totient is φ = 43705776.

The previous prime is 87438319. The next prime is 87438349. The reversal of 87438334 is 43383478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87438319) and next prime (87438349).

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

It is a congruent number.

It is an unprimeable number.

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, 7402 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (16399710).

Almost surely, 2^87438334 is an apocalyptic number.

87438334 is a deficient number, since it is larger than the sum of its proper divisors (43759346).

87438334 is a wasteful number, since it uses less digits than its factorization.

87438334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13394.

The product of its digits is 193536, while the sum is 40.

The square root of 87438334 is about 9350.8466996310. The cubic root of 87438334 is about 443.8476840031.

The spelling of 87438334 in words is "eighty-seven million, four hundred thirty-eight thousand, three hundred thirty-four".