85722928663 has 8 divisors (see below), whose sum is σ = 86353399440. Its totient is φ = 85092654720.

The previous prime is 85722928661. The next prime is 85722928673. The reversal of 85722928663 is 36682922758.

It is a happy number.

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 85722928663 - 2¹ = 85722928661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85722928598 and 85722928607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85722928661) 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, 890673 + ... + 982213.

It is an arithmetic number, because the mean of its divisors is an integer number (10794174930).

Almost surely, 2^85722928663 is an apocalyptic number.

85722928663 is a deficient number, since it is larger than the sum of its proper divisors (630470777).

85722928663 is a wasteful number, since it uses less digits than its factorization.

85722928663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98417.

The product of its digits is 17418240, while the sum is 58.

The spelling of 85722928663 in words is "eighty-five billion, seven hundred twenty-two million, nine hundred twenty-eight thousand, six hundred sixty-three".