85825658047 has 2 divisors, whose sum is σ = 85825658048. Its totient is φ = 85825658046.

The previous prime is 85825658033. The next prime is 85825658063. The reversal of 85825658047 is 74085652858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85825658047 - 2²⁷ = 85691440319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85825657982 and 85825658000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85825658147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42912829023 + 42912829024.

It is an arithmetic number, because the mean of its divisors is an integer number (42912829024).

Almost surely, 2^85825658047 is an apocalyptic number.

85825658047 is a deficient number, since it is larger than the sum of its proper divisors (1).

85825658047 is an equidigital number, since it uses as much as digits as its factorization.

85825658047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 85825658047 in words is "eighty-five billion, eight hundred twenty-five million, six hundred fifty-eight thousand, forty-seven".