85948147 has 2 divisors, whose sum is σ = 85948148. Its totient is φ = 85948146.

The previous prime is 85948091. The next prime is 85948169. The reversal of 85948147 is 74184958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85948147 - 2¹⁹ = 85423859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85948097 and 85948106.

It is not a weakly prime, because it can be changed into another prime (85940147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42974073 + 42974074.

It is an arithmetic number, because the mean of its divisors is an integer number (42974074).

Almost surely, 2^85948147 is an apocalyptic number.

85948147 is a deficient number, since it is larger than the sum of its proper divisors (1).

85948147 is an equidigital number, since it uses as much as digits as its factorization.

85948147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 85948147 is about 9270.8223475590. The cubic root of 85948147 is about 441.3117654632.

The spelling of 85948147 in words is "eighty-five million, nine hundred forty-eight thousand, one hundred forty-seven".