87418424 has 16 divisors (see below), whose sum is σ = 164409720. Its totient is φ = 43575840.

The previous prime is 87418421. The next prime is 87418427. The reversal of 87418424 is 42481478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87418421) and next prime (87418427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87418421) 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, 13859 + ... + 19154.

Almost surely, 2^87418424 is an apocalyptic number.

It is an amenable number.

87418424 is a deficient number, since it is larger than the sum of its proper divisors (76991296).

87418424 is a wasteful number, since it uses less digits than its factorization.

87418424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33350 (or 33346 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 87418424 is about 9349.7820295449. The cubic root of 87418424 is about 443.8139929136.

The spelling of 87418424 in words is "eighty-seven million, four hundred eighteen thousand, four hundred twenty-four".