85004492621147 has 4 divisors (see below), whose sum is σ = 92732173768536. Its totient is φ = 77276811473760.

The previous prime is 85004492621143. The next prime is 85004492621159. The reversal of 85004492621147 is 74112629440058.

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 85004492621147 - 2² = 85004492621143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85004492621143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863840573678 + ... + 3863840573699.

It is an arithmetic number, because the mean of its divisors is an integer number (23183043442134).

Almost surely, 2^{85004492621147} is an apocalyptic number.

85004492621147 is a deficient number, since it is larger than the sum of its proper divisors (7727681147389).

85004492621147 is a wasteful number, since it uses less digits than its factorization.

85004492621147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727681147388.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 85004492621147 in words is "eighty-five trillion, four billion, four hundred ninety-two million, six hundred twenty-one thousand, one hundred forty-seven".