87404134 has 8 divisors (see below), whose sum is σ = 133328520. Its totient is φ = 42961296.

The previous prime is 87404131. The next prime is 87404137. The reversal of 87404134 is 43140478.

It is an interprime number because it is at equal distance from previous prime (87404131) and next prime (87404137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 87404096 and 87404105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87404131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370239 + ... + 370474.

It is an arithmetic number, because the mean of its divisors is an integer number (16666065).

Almost surely, 2^87404134 is an apocalyptic number.

87404134 is a deficient number, since it is larger than the sum of its proper divisors (45924386).

87404134 is a wasteful number, since it uses less digits than its factorization.

87404134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740774.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 87404134 is about 9349.0178093744. The cubic root of 87404134 is about 443.7898086617.

The spelling of 87404134 in words is "eighty-seven million, four hundred four thousand, one hundred thirty-four".