87585827986651 has 2 divisors, whose sum is σ = 87585827986652. Its totient is φ = 87585827986650.

The previous prime is 87585827986543. The next prime is 87585827986673. The reversal of 87585827986651 is 15668972858578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87585827986651 - 2¹³ = 87585827978459 is a prime.

It is not a weakly prime, because it can be changed into another prime (87585827986681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43792913993325 + 43792913993326.

It is an arithmetic number, because the mean of its divisors is an integer number (43792913993326).

Almost surely, 2^{87585827986651} is an apocalyptic number.

87585827986651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87585827986651 is an equidigital number, since it uses as much as digits as its factorization.

87585827986651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024000, while the sum is 85.

The spelling of 87585827986651 in words is "eighty-seven trillion, five hundred eighty-five billion, eight hundred twenty-seven million, nine hundred eighty-six thousand, six hundred fifty-one".