85038465847 has 4 divisors (see below), whose sum is σ = 85270178656. Its totient is φ = 84806753040.

The previous prime is 85038465817. The next prime is 85038465859. The reversal of 85038465847 is 74856483058.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85038465847 - 2⁷ = 85038465719 is a prime.

It is a super-2 number, since 2×85038465847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85038465791 and 85038465800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85038465817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115855854 + ... + 115856587.

It is an arithmetic number, because the mean of its divisors is an integer number (21317544664).

Almost surely, 2^85038465847 is an apocalyptic number.

85038465847 is a deficient number, since it is larger than the sum of its proper divisors (231712809).

85038465847 is a wasteful number, since it uses less digits than its factorization.

85038465847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231712808.

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 85038465847 in words is "eighty-five billion, thirty-eight million, four hundred sixty-five thousand, eight hundred forty-seven".