87862599871 has 2 divisors, whose sum is σ = 87862599872. Its totient is φ = 87862599870.

The previous prime is 87862599841. The next prime is 87862599887. The reversal of 87862599871 is 17899526878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87862599871 - 2⁹ = 87862599359 is a prime.

It is a super-3 number, since 3×87862599871³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87862599871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87862599841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43931299935 + 43931299936.

It is an arithmetic number, because the mean of its divisors is an integer number (43931299936).

Almost surely, 2^87862599871 is an apocalyptic number.

87862599871 is a deficient number, since it is larger than the sum of its proper divisors (1).

87862599871 is an equidigital number, since it uses as much as digits as its factorization.

87862599871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 70.

The spelling of 87862599871 in words is "eighty-seven billion, eight hundred sixty-two million, five hundred ninety-nine thousand, eight hundred seventy-one".