85348477 has 4 divisors (see below), whose sum is σ = 85781916. Its totient is φ = 84915040.

The previous prime is 85348451. The next prime is 85348481. The reversal of 85348477 is 77484358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71554681 + 13793796 = 8459^2 + 3714^2 .

It is a cyclic number.

It is not a de Polignac number, because 85348477 - 2⁷ = 85348349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85348427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216424 + ... + 216817.

It is an arithmetic number, because the mean of its divisors is an integer number (21445479).

Almost surely, 2^85348477 is an apocalyptic number.

It is an amenable number.

85348477 is a deficient number, since it is larger than the sum of its proper divisors (433439).

85348477 is a wasteful number, since it uses less digits than its factorization.

85348477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433438.

The product of its digits is 752640, while the sum is 46.

The square root of 85348477 is about 9238.4239456739. The cubic root of 85348477 is about 440.2830083568.

The spelling of 85348477 in words is "eighty-five million, three hundred forty-eight thousand, four hundred seventy-seven".