87758115 has 8 divisors (see below), whose sum is σ = 140413008. Its totient is φ = 46804320.

The previous prime is 87758107. The next prime is 87758119. The reversal of 87758115 is 51185778.

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

It is not a de Polignac number, because 87758115 - 2³ = 87758107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87758119) 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, 2925256 + ... + 2925285.

It is an arithmetic number, because the mean of its divisors is an integer number (17551626).

Almost surely, 2^87758115 is an apocalyptic number.

87758115 is a deficient number, since it is larger than the sum of its proper divisors (52654893).

87758115 is a wasteful number, since it uses less digits than its factorization.

87758115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850549.

The product of its digits is 78400, while the sum is 42.

The square root of 87758115 is about 9367.9301342399. The cubic root of 87758115 is about 444.3881082181.

The spelling of 87758115 in words is "eighty-seven million, seven hundred fifty-eight thousand, one hundred fifteen".