87325732077578 has 16 divisors (see below), whose sum is σ = 131478553607040. Its totient is φ = 43499563725600.

The previous prime is 87325732077559. The next prime is 87325732077583. The reversal of 87325732077578 is 87577023752378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6783053 + ... + 14854671.

It is an arithmetic number, because the mean of its divisors is an integer number (8217409600440).

Almost surely, 2^{87325732077578} is an apocalyptic number.

87325732077578 is a deficient number, since it is larger than the sum of its proper divisors (44152821529462).

87325732077578 is a wasteful number, since it uses less digits than its factorization.

87325732077578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091853.

The product of its (nonzero) digits is 968083200, while the sum is 71.

The spelling of 87325732077578 in words is "eighty-seven trillion, three hundred twenty-five billion, seven hundred thirty-two million, seventy-seven thousand, five hundred seventy-eight".