87655322579 has 8 divisors (see below), whose sum is σ = 95680357488. Its totient is φ = 79639682560.

The previous prime is 87655322567. The next prime is 87655322593. The reversal of 87655322579 is 97522355678.

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

It is a cyclic number.

It is not a de Polignac number, because 87655322579 - 2¹² = 87655318483 is a prime.

It is a super-2 number, since 2×87655322579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87655322179) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2329202 + ... + 2366535.

It is an arithmetic number, because the mean of its divisors is an integer number (11960044686).

Almost surely, 2^87655322579 is an apocalyptic number.

87655322579 is a deficient number, since it is larger than the sum of its proper divisors (8025034909).

87655322579 is a wasteful number, since it uses less digits than its factorization.

87655322579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697445.

The product of its digits is 31752000, while the sum is 59.

The spelling of 87655322579 in words is "eighty-seven billion, six hundred fifty-five million, three hundred twenty-two thousand, five hundred seventy-nine".