85780750147 has 2 divisors, whose sum is σ = 85780750148. Its totient is φ = 85780750146.

The previous prime is 85780750073. The next prime is 85780750157. The reversal of 85780750147 is 74105708758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85780750147 - 2⁷ = 85780750019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85780750094 and 85780750103.

It is not a weakly prime, because it can be changed into another prime (85780750157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42890375073 + 42890375074.

It is an arithmetic number, because the mean of its divisors is an integer number (42890375074).

Almost surely, 2^85780750147 is an apocalyptic number.

85780750147 is a deficient number, since it is larger than the sum of its proper divisors (1).

85780750147 is an equidigital number, since it uses as much as digits as its factorization.

85780750147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 85780750147 in words is "eighty-five billion, seven hundred eighty million, seven hundred fifty thousand, one hundred forty-seven".