87694784711 has 2 divisors, whose sum is σ = 87694784712. Its totient is φ = 87694784710.

The previous prime is 87694784659. The next prime is 87694784747. The reversal of 87694784711 is 11748749678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87694784711 - 2³⁰ = 86621042887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87694781711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43847392355 + 43847392356.

It is an arithmetic number, because the mean of its divisors is an integer number (43847392356).

Almost surely, 2^87694784711 is an apocalyptic number.

87694784711 is a deficient number, since it is larger than the sum of its proper divisors (1).

87694784711 is an equidigital number, since it uses as much as digits as its factorization.

87694784711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18966528, while the sum is 62.

The spelling of 87694784711 in words is "eighty-seven billion, six hundred ninety-four million, seven hundred eighty-four thousand, seven hundred eleven".