87720067582 has 8 divisors (see below), whose sum is σ = 150377258736. Its totient is φ = 37594314672.

The previous prime is 87720067543. The next prime is 87720067619. The reversal of 87720067582 is 28576002778.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3132859543 + ... + 3132859570.

It is an arithmetic number, because the mean of its divisors is an integer number (18797157342).

Almost surely, 2^87720067582 is an apocalyptic number.

87720067582 is a deficient number, since it is larger than the sum of its proper divisors (62657191154).

87720067582 is a wasteful number, since it uses less digits than its factorization.

87720067582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265719122.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 87720067582 in words is "eighty-seven billion, seven hundred twenty million, sixty-seven thousand, five hundred eighty-two".