85345611380 has 48 divisors (see below), whose sum is σ = 183501683904. Its totient is φ = 33324721920.

The previous prime is 85345611367. The next prime is 85345611401. The reversal of 85345611380 is 8311654358.

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, 1479275 + ... + 1535885.

It is an arithmetic number, because the mean of its divisors is an integer number (3822951748).

Almost surely, 2^85345611380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85345611380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91750841952).

85345611380 is an abundant number, since it is smaller than the sum of its proper divisors (98156072524).

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

85345611380 is a wasteful number, since it uses less digits than its factorization.

85345611380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58416 (or 58414 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 85345611380 in words is "eighty-five billion, three hundred forty-five million, six hundred eleven thousand, three hundred eighty".