87099569311 has 2 divisors, whose sum is σ = 87099569312. Its totient is φ = 87099569310.

The previous prime is 87099569149. The next prime is 87099569317. The reversal of 87099569311 is 11396599078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87099569311 - 2²¹ = 87097472159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87099569317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43549784655 + 43549784656.

It is an arithmetic number, because the mean of its divisors is an integer number (43549784656).

Almost surely, 2^87099569311 is an apocalyptic number.

87099569311 is a deficient number, since it is larger than the sum of its proper divisors (1).

87099569311 is an equidigital number, since it uses as much as digits as its factorization.

87099569311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 87099569311 in words is "eighty-seven billion, ninety-nine million, five hundred sixty-nine thousand, three hundred eleven".