85646544270 has 32 divisors (see below), whose sum is σ = 234916236288. Its totient is φ = 19576352928.

The previous prime is 85646544227. The next prime is 85646544307. The reversal of 85646544270 is 7244564658.

It is a Curzon number.

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, 203920134 + ... + 203920553.

It is an arithmetic number, because the mean of its divisors is an integer number (7341132384).

Almost surely, 2^85646544270 is an apocalyptic number.

85646544270 is an abundant number, since it is smaller than the sum of its proper divisors (149269692018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85646544270 is a wasteful number, since it uses less digits than its factorization.

85646544270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407840704.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 85646544270 in words is "eighty-five billion, six hundred forty-six million, five hundred forty-four thousand, two hundred seventy".