85726954646 has 32 divisors (see below), whose sum is σ = 136807263360. Its totient is φ = 40149043200.

The previous prime is 85726954637. The next prime is 85726954679. The reversal of 85726954646 is 64645962758.

It is a super-2 number, since 2×85726954646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9292316 + ... + 9301536.

It is an arithmetic number, because the mean of its divisors is an integer number (4275226980).

Almost surely, 2^85726954646 is an apocalyptic number.

85726954646 is a deficient number, since it is larger than the sum of its proper divisors (51080308714).

85726954646 is a wasteful number, since it uses less digits than its factorization.

85726954646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520.

The product of its digits is 87091200, while the sum is 62.

The spelling of 85726954646 in words is "eighty-five billion, seven hundred twenty-six million, nine hundred fifty-four thousand, six hundred forty-six".