87343738 has 4 divisors (see below), whose sum is σ = 131015610. Its totient is φ = 43671868.

The previous prime is 87343723. The next prime is 87343757. The reversal of 87343738 is 83734378.

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., 84511249 + 2832489 = 9193^2 + 1683^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87343694 and 87343703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21835933 + ... + 21835936.

Almost surely, 2^87343738 is an apocalyptic number.

87343738 is a deficient number, since it is larger than the sum of its proper divisors (43671872).

87343738 is a wasteful number, since it uses less digits than its factorization.

87343738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43671871.

The product of its digits is 338688, while the sum is 43.

The square root of 87343738 is about 9345.7871792589. The cubic root of 87343738 is about 443.6875659566.

The spelling of 87343738 in words is "eighty-seven million, three hundred forty-three thousand, seven hundred thirty-eight".