85495987 has 2 divisors, whose sum is σ = 85495988. Its totient is φ = 85495986.

The previous prime is 85495951. The next prime is 85496023. The reversal of 85495987 is 78959458.

It is a balanced prime because it is at equal distance from previous prime (85495951) and next prime (85496023).

It is a cyclic number.

It is not a de Polignac number, because 85495987 - 2⁷ = 85495859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85495387) 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, 42747993 + 42747994.

It is an arithmetic number, because the mean of its divisors is an integer number (42747994).

Almost surely, 2^85495987 is an apocalyptic number.

85495987 is a deficient number, since it is larger than the sum of its proper divisors (1).

85495987 is an equidigital number, since it uses as much as digits as its factorization.

85495987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 55.

The square root of 85495987 is about 9246.4040037195. The cubic root of 85495987 is about 440.5365132373.

The spelling of 85495987 in words is "eighty-five million, four hundred ninety-five thousand, nine hundred eighty-seven".