87424005 has 16 divisors (see below), whose sum is σ = 140137920. Its totient is φ = 46539648.

The previous prime is 87424003. The next prime is 87424019. The reversal of 87424005 is 50042478.

It is not a de Polignac number, because 87424005 - 2¹ = 87424003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87424003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (8758620).

Almost surely, 2^87424005 is an apocalyptic number.

It is an amenable number.

87424005 is a deficient number, since it is larger than the sum of its proper divisors (52713915).

87424005 is a wasteful number, since it uses less digits than its factorization.

87424005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 87424005 is about 9350.0804809370. The cubic root of 87424005 is about 443.8234374261.

The spelling of 87424005 in words is "eighty-seven million, four hundred twenty-four thousand, five".