85148963 has 2 divisors, whose sum is σ = 85148964. Its totient is φ = 85148962.

The previous prime is 85148939. The next prime is 85149041. The reversal of 85148963 is 36984158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85148963 - 2²² = 80954659 is a prime.

It is not a weakly prime, because it can be changed into another prime (85148933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42574481 + 42574482.

It is an arithmetic number, because the mean of its divisors is an integer number (42574482).

Almost surely, 2^85148963 is an apocalyptic number.

85148963 is a deficient number, since it is larger than the sum of its proper divisors (1).

85148963 is an equidigital number, since it uses as much as digits as its factorization.

85148963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 85148963 is about 9227.6195738663. The cubic root of 85148963 is about 439.9396663141.

The spelling of 85148963 in words is "eighty-five million, one hundred forty-eight thousand, nine hundred sixty-three".