87874534 has 16 divisors (see below), whose sum is σ = 143946000. Its totient is φ = 39900960.

The previous prime is 87874517. The next prime is 87874543. The reversal of 87874534 is 43547878.

It is a congruent number.

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, 30592 + ... + 33340.

It is an arithmetic number, because the mean of its divisors is an integer number (8996625).

Almost surely, 2^87874534 is an apocalyptic number.

87874534 is a deficient number, since it is larger than the sum of its proper divisors (56071466).

87874534 is a wasteful number, since it uses less digits than its factorization.

87874534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its digits is 752640, while the sum is 46.

The square root of 87874534 is about 9374.1417740506. The cubic root of 87874534 is about 444.5845282638.

The spelling of 87874534 in words is "eighty-seven million, eight hundred seventy-four thousand, five hundred thirty-four".