85490847320 has 64 divisors (see below), whose sum is σ = 207187200000. Its totient is φ = 31643111808.

The previous prime is 85490847289. The next prime is 85490847329. The reversal of 85490847320 is 2374809458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85490847329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275320 + ... + 1340679.

It is an arithmetic number, because the mean of its divisors is an integer number (3237300000).

Almost surely, 2^85490847320 is an apocalyptic number.

It is an amenable number.

85490847320 is an abundant number, since it is smaller than the sum of its proper divisors (121696352680).

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

85490847320 is a wasteful number, since it uses less digits than its factorization.

85490847320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616072 (or 2616068 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 85490847320 in words is "eighty-five billion, four hundred ninety million, eight hundred forty-seven thousand, three hundred twenty".