87916434 has 16 divisors (see below), whose sum is σ = 181505280. Its totient is φ = 28360080.

The previous prime is 87916421. The next prime is 87916441. The reversal of 87916434 is 43461978.

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 7 ways as a sum of consecutive naturals, for example, 236149 + ... + 236520.

It is an arithmetic number, because the mean of its divisors is an integer number (11344080).

Almost surely, 2^87916434 is an apocalyptic number.

87916434 is an abundant number, since it is smaller than the sum of its proper divisors (93588846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87916434 is a wasteful number, since it uses less digits than its factorization.

87916434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472705.

The product of its digits is 145152, while the sum is 42.

The square root of 87916434 is about 9376.3763789643. The cubic root of 87916434 is about 444.6551787354.

It can be divided in two parts, 8791 and 6434, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 87916434 in words is "eighty-seven million, nine hundred sixteen thousand, four hundred thirty-four".