87668342 has 4 divisors (see below), whose sum is σ = 131502516. Its totient is φ = 43834170.

The previous prime is 87668323. The next prime is 87668369. The reversal of 87668342 is 24386678.

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

It is a junction number, because it is equal to n+sod(n) for n = 87668293 and 87668302.

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, 21917084 + ... + 21917087.

It is an arithmetic number, because the mean of its divisors is an integer number (32875629).

Almost surely, 2^87668342 is an apocalyptic number.

87668342 is a deficient number, since it is larger than the sum of its proper divisors (43834174).

87668342 is a wasteful number, since it uses less digits than its factorization.

87668342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43834173.

The product of its digits is 387072, while the sum is 44.

The square root of 87668342 is about 9363.1374015337. The cubic root of 87668342 is about 444.2365261689.

The spelling of 87668342 in words is "eighty-seven million, six hundred sixty-eight thousand, three hundred forty-two".