87413409 has 12 divisors (see below), whose sum is σ = 131753856. Its totient is φ = 55741752.

The previous prime is 87413369. The next prime is 87413411. The reversal of 87413409 is 90431478.

It is a happy number.

It is not a de Polignac number, because 87413409 - 2²³ = 79024801 is a prime.

It is a super-2 number, since 2×87413409² = 15282208146002562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87413429) 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 11 ways as a sum of consecutive naturals, for example, 210937 + ... + 211350.

It is an arithmetic number, because the mean of its divisors is an integer number (10979488).

Almost surely, 2^87413409 is an apocalyptic number.

It is an amenable number.

87413409 is a deficient number, since it is larger than the sum of its proper divisors (44340447).

87413409 is a wasteful number, since it uses less digits than its factorization.

87413409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422316 (or 422313 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87413409 is about 9349.5138376281. The cubic root of 87413409 is about 443.8055058784.

The spelling of 87413409 in words is "eighty-seven million, four hundred thirteen thousand, four hundred nine".