87386668378 has 8 divisors (see below), whose sum is σ = 131337528660. Its totient is φ = 43607492160.

The previous prime is 87386668367. The next prime is 87386668387.

87386668378 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 62884088289 + 24502580089 = 250767^2 + 156533^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42919743 + ... + 42921778.

Almost surely, 2^87386668378 is an apocalyptic number.

87386668378 is a deficient number, since it is larger than the sum of its proper divisors (43950860282).

87386668378 is a wasteful number, since it uses less digits than its factorization.

87386668378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85842032.

The product of its digits is 390168576, while the sum is 70.

The spelling of 87386668378 in words is "eighty-seven billion, three hundred eighty-six million, six hundred sixty-eight thousand, three hundred seventy-eight".