87331213378 has 8 divisors (see below), whose sum is σ = 130998564540. Its totient is φ = 43665025200.

The previous prime is 87331213373. The next prime is 87331213441.

87331213378 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 84958841529 + 2372371849 = 291477^2 + 48707^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87331213373) 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 3 ways as a sum of consecutive naturals, for example, 69273 + ... + 423628.

Almost surely, 2^87331213378 is an apocalyptic number.

87331213378 is a deficient number, since it is larger than the sum of its proper divisors (43667351162).

87331213378 is a wasteful number, since it uses less digits than its factorization.

87331213378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581492.

The product of its digits is 508032, while the sum is 46.

The spelling of 87331213378 in words is "eighty-seven billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred seventy-eight".