85383462721 has 16 divisors (see below), whose sum is σ = 92471702400. Its totient is φ = 78571900800.

The previous prime is 85383462691. The next prime is 85383462737. The reversal of 85383462721 is 12726438358.

It is not a de Polignac number, because 85383462721 - 2⁹ = 85383462209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85383862721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60925 + ... + 417706.

It is an arithmetic number, because the mean of its divisors is an integer number (5779481400).

Almost surely, 2^85383462721 is an apocalyptic number.

It is an amenable number.

85383462721 is a deficient number, since it is larger than the sum of its proper divisors (7088239679).

85383462721 is a wasteful number, since it uses less digits than its factorization.

85383462721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478920.

The product of its digits is 1935360, while the sum is 49.

The spelling of 85383462721 in words is "eighty-five billion, three hundred eighty-three million, four hundred sixty-two thousand, seven hundred twenty-one".