85621635052 has 36 divisors (see below), whose sum is σ = 153659247840. Its totient is φ = 41727244000.

The previous prime is 85621635049. The next prime is 85621635109. The reversal of 85621635052 is 25053612658.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11840574 + ... + 11847802.

It is an arithmetic number, because the mean of its divisors is an integer number (4268312440).

Almost surely, 2^85621635052 is an apocalyptic number.

It is an amenable number.

85621635052 is a deficient number, since it is larger than the sum of its proper divisors (68037612788).

85621635052 is a wasteful number, since it uses less digits than its factorization.

85621635052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 85621635052 in words is "eighty-five billion, six hundred twenty-one million, six hundred thirty-five thousand, fifty-two".