85073741047 has 2 divisors, whose sum is σ = 85073741048. Its totient is φ = 85073741046.

The previous prime is 85073740991. The next prime is 85073741083. The reversal of 85073741047 is 74014737058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85073741047 - 2²³ = 85065352439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85073740988 and 85073741006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85073747047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42536870523 + 42536870524.

It is an arithmetic number, because the mean of its divisors is an integer number (42536870524).

Almost surely, 2^85073741047 is an apocalyptic number.

85073741047 is a deficient number, since it is larger than the sum of its proper divisors (1).

85073741047 is an equidigital number, since it uses as much as digits as its factorization.

85073741047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 85073741047 in words is "eighty-five billion, seventy-three million, seven hundred forty-one thousand, forty-seven".