87415407 has 12 divisors (see below), whose sum is σ = 126355320. Its totient is φ = 58236048.

The previous prime is 87415373. The next prime is 87415421. The reversal of 87415407 is 70451478.

It is not a de Polignac number, because 87415407 - 2¹⁸ = 87153263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87415477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15868 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (10529610).

Almost surely, 2^87415407 is an apocalyptic number.

87415407 is a deficient number, since it is larger than the sum of its proper divisors (38939913).

87415407 is a wasteful number, since it uses less digits than its factorization.

87415407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 87415407 is about 9349.6206874932. The cubic root of 87415407 is about 443.8088871927.

The spelling of 87415407 in words is "eighty-seven million, four hundred fifteen thousand, four hundred seven".