85954200521 has 32 divisors (see below), whose sum is σ = 102682080000. Its totient is φ = 70395155712.

The previous prime is 85954200517. The next prime is 85954200533. The reversal of 85954200521 is 12500245958.

It is not a de Polignac number, because 85954200521 - 2² = 85954200517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85954200581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8373290 + ... + 8383548.

It is an arithmetic number, because the mean of its divisors is an integer number (3208815000).

Almost surely, 2^85954200521 is an apocalyptic number.

It is an amenable number.

85954200521 is a deficient number, since it is larger than the sum of its proper divisors (16727879479).

85954200521 is a wasteful number, since it uses less digits than its factorization.

85954200521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 85954200521 in words is "eighty-five billion, nine hundred fifty-four million, two hundred thousand, five hundred twenty-one".