87119378 has 4 divisors (see below), whose sum is σ = 130679070. Its totient is φ = 43559688.

The previous prime is 87119369. The next prime is 87119401. The reversal of 87119378 is 87391178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56505289 + 30614089 = 7517^2 + 5533^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21779843 + ... + 21779846.

Almost surely, 2^87119378 is an apocalyptic number.

87119378 is a deficient number, since it is larger than the sum of its proper divisors (43559692).

87119378 is a wasteful number, since it uses less digits than its factorization.

87119378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43559691.

The product of its digits is 84672, while the sum is 44.

The square root of 87119378 is about 9333.7761918743. The cubic root of 87119378 is about 443.3073398872.

The spelling of 87119378 in words is "eighty-seven million, one hundred nineteen thousand, three hundred seventy-eight".