87487494 has 16 divisors (see below), whose sum is σ = 175099968. Its totient is φ = 29141672.

The previous prime is 87487493. The next prime is 87487511. The reversal of 87487494 is 49478478.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87487493) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5629 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (10943748).

Almost surely, 2^87487494 is an apocalyptic number.

87487494 is an abundant number, since it is smaller than the sum of its proper divisors (87612474).

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

87487494 is a wasteful number, since it uses less digits than its factorization.

87487494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419.

The product of its digits is 1806336, while the sum is 51.

The square root of 87487494 is about 9353.4749692294. The cubic root of 87487494 is about 443.9308491446.

The spelling of 87487494 in words is "eighty-seven million, four hundred eighty-seven thousand, four hundred ninety-four".