85858702648 has 8 divisors (see below), whose sum is σ = 160985067480. Its totient is φ = 42929351320.

The previous prime is 85858702627. The next prime is 85858702663. The reversal of 85858702648 is 84620785858.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5366168908 + ... + 5366168923.

It is an arithmetic number, because the mean of its divisors is an integer number (20123133435).

Almost surely, 2^85858702648 is an apocalyptic number.

It is an amenable number.

85858702648 is a deficient number, since it is larger than the sum of its proper divisors (75126364832).

85858702648 is a wasteful number, since it uses less digits than its factorization.

85858702648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732337837 (or 10732337833 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 61.

The spelling of 85858702648 in words is "eighty-five billion, eight hundred fifty-eight million, seven hundred two thousand, six hundred forty-eight".