85722147503 has 8 divisors (see below), whose sum is σ = 85804598880. Its totient is φ = 85639730400.

The previous prime is 85722147457. The next prime is 85722147523. The reversal of 85722147503 is 30574122758.

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 85722147503 - 2⁶ = 85722147439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85722147523) 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, 9356801 + ... + 9365957.

It is an arithmetic number, because the mean of its divisors is an integer number (10725574860).

Almost surely, 2^85722147503 is an apocalyptic number.

85722147503 is a deficient number, since it is larger than the sum of its proper divisors (82451377).

85722147503 is a wasteful number, since it uses less digits than its factorization.

85722147503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17137.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 85722147503 in words is "eighty-five billion, seven hundred twenty-two million, one hundred forty-seven thousand, five hundred three".