87343838 has 4 divisors (see below), whose sum is σ = 131015760. Its totient is φ = 43671918.

The previous prime is 87343831. The next prime is 87343859. The reversal of 87343838 is 83834378.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87343831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21835958 + ... + 21835961.

It is an arithmetic number, because the mean of its divisors is an integer number (32753940).

Almost surely, 2^87343838 is an apocalyptic number.

87343838 is a deficient number, since it is larger than the sum of its proper divisors (43671922).

87343838 is a wasteful number, since it uses less digits than its factorization.

87343838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43671921.

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

The square root of 87343838 is about 9345.7925292615. The cubic root of 87343838 is about 443.6877352828.

The spelling of 87343838 in words is "eighty-seven million, three hundred forty-three thousand, eight hundred thirty-eight".