85622763511 has 2 divisors, whose sum is σ = 85622763512. Its totient is φ = 85622763510.

The previous prime is 85622763497. The next prime is 85622763559. The reversal of 85622763511 is 11536722658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85622763511 - 2¹¹ = 85622761463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85622763571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42811381755 + 42811381756.

It is an arithmetic number, because the mean of its divisors is an integer number (42811381756).

Almost surely, 2^85622763511 is an apocalyptic number.

85622763511 is a deficient number, since it is larger than the sum of its proper divisors (1).

85622763511 is an equidigital number, since it uses as much as digits as its factorization.

85622763511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The spelling of 85622763511 in words is "eighty-five billion, six hundred twenty-two million, seven hundred sixty-three thousand, five hundred eleven".