85562647709 has 8 divisors (see below), whose sum is σ = 106675508928. Its totient is φ = 66672192960.

The previous prime is 85562647699. The next prime is 85562647711. The reversal of 85562647709 is 90774626558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85562647709 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 (85562647739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555601532 + ... + 555601685.

It is an arithmetic number, because the mean of its divisors is an integer number (13334438616).

Almost surely, 2^85562647709 is an apocalyptic number.

It is an amenable number.

85562647709 is a deficient number, since it is larger than the sum of its proper divisors (21112861219).

85562647709 is a wasteful number, since it uses less digits than its factorization.

85562647709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111203235.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 85562647709 in words is "eighty-five billion, five hundred sixty-two million, six hundred forty-seven thousand, seven hundred nine".