85688604446 has 4 divisors (see below), whose sum is σ = 128532906672. Its totient is φ = 42844302222.

The previous prime is 85688604409. The next prime is 85688604457. The reversal of 85688604446 is 64440688658.

It is a semiprime because it is the product of two primes.

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, 21422151110 + ... + 21422151113.

It is an arithmetic number, because the mean of its divisors is an integer number (32133226668).

Almost surely, 2^85688604446 is an apocalyptic number.

85688604446 is a deficient number, since it is larger than the sum of its proper divisors (42844302226).

85688604446 is a wasteful number, since it uses less digits than its factorization.

85688604446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42844302225.

The product of its (nonzero) digits is 35389440, while the sum is 59.

The spelling of 85688604446 in words is "eighty-five billion, six hundred eighty-eight million, six hundred four thousand, four hundred forty-six".