87374409 has 8 divisors (see below), whose sum is σ = 119208672. Its totient is φ = 56894880.

The previous prime is 87374389. The next prime is 87374429. The reversal of 87374409 is 90447378.

It is an interprime number because it is at equal distance from previous prime (87374389) and next prime (87374429).

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

It is not a de Polignac number, because 87374409 - 2⁵ = 87374377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87374429) 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, 338532 + ... + 338789.

It is an arithmetic number, because the mean of its divisors is an integer number (14901084).

Almost surely, 2^87374409 is an apocalyptic number.

It is an amenable number.

87374409 is a deficient number, since it is larger than the sum of its proper divisors (31834263).

87374409 is a wasteful number, since it uses less digits than its factorization.

87374409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677367.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 87374409 is about 9347.4279349990. The cubic root of 87374409 is about 443.7394939257.

The spelling of 87374409 in words is "eighty-seven million, three hundred seventy-four thousand, four hundred nine".