85461707847 has 8 divisors (see below), whose sum is σ = 117878217840. Its totient is φ = 55009834880.

The previous prime is 85461707839. The next prime is 85461707861. The reversal of 85461707847 is 74870716458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85461707847 - 2³ = 85461707839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85461707827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491159154 + ... + 491159327.

It is an arithmetic number, because the mean of its divisors is an integer number (14734777230).

Almost surely, 2^85461707847 is an apocalyptic number.

85461707847 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

85461707847 is a deficient number, since it is larger than the sum of its proper divisors (32416509993).

85461707847 is a wasteful number, since it uses less digits than its factorization.

85461707847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982318513.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 85461707847 in words is "eighty-five billion, four hundred sixty-one million, seven hundred seven thousand, eight hundred forty-seven".