87325732077778 has 8 divisors (see below), whose sum is σ = 131029493723568. Its totient is φ = 43649234169924.

The previous prime is 87325732077739. The next prime is 87325732077833. The reversal of 87325732077778 is 87777023752378.

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 87325732077778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815926476 + ... + 6815939287.

It is an arithmetic number, because the mean of its divisors is an integer number (16378686715446).

Almost surely, 2^{87325732077778} is an apocalyptic number.

87325732077778 is a deficient number, since it is larger than the sum of its proper divisors (43703761645790).

87325732077778 is a wasteful number, since it uses less digits than its factorization.

87325732077778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631868968.

The product of its (nonzero) digits is 1355316480, while the sum is 73.

The spelling of 87325732077778 in words is "eighty-seven trillion, three hundred twenty-five billion, seven hundred thirty-two million, seventy-seven thousand, seven hundred seventy-eight".