85490216971 has 8 divisors (see below), whose sum is σ = 86377502624. Its totient is φ = 84603052800.

The previous prime is 85490216941. The next prime is 85490217019. The reversal of 85490216971 is 17961209458.

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 85490216971 - 2²⁹ = 84953346059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85490216941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324401 + ... + 2360893.

It is an arithmetic number, because the mean of its divisors is an integer number (10797187828).

Almost surely, 2^85490216971 is an apocalyptic number.

85490216971 is a deficient number, since it is larger than the sum of its proper divisors (887285653).

85490216971 is a wasteful number, since it uses less digits than its factorization.

85490216971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60741.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 85490216971 in words is "eighty-five billion, four hundred ninety million, two hundred sixteen thousand, nine hundred seventy-one".