87378874162 has 8 divisors (see below), whose sum is σ = 131077433196. Its totient is φ = 43686396432.

The previous prime is 87378874139. The next prime is 87378874207. The reversal of 87378874162 is 26147887378.

It can be written as a sum of positive squares in 2 ways, for example, as 82042717761 + 5336156401 = 286431^2 + 73049^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87378874162.

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, 1484233 + ... + 1541980.

Almost surely, 2^87378874162 is an apocalyptic number.

87378874162 is a deficient number, since it is larger than the sum of its proper divisors (43698559034).

87378874162 is a wasteful number, since it uses less digits than its factorization.

87378874162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040652.

The product of its digits is 25288704, while the sum is 61.

The spelling of 87378874162 in words is "eighty-seven billion, three hundred seventy-eight million, eight hundred seventy-four thousand, one hundred sixty-two".