85019322132 has 72 divisors (see below), whose sum is σ = 227591949312. Its totient is φ = 26668012800.

The previous prime is 85019322121. The next prime is 85019322181. The reversal of 85019322132 is 23122391058.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5396707 + ... + 5412437.

It is an arithmetic number, because the mean of its divisors is an integer number (3160999296).

Almost surely, 2^85019322132 is an apocalyptic number.

It is an amenable number.

85019322132 is an abundant number, since it is smaller than the sum of its proper divisors (142572627180).

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

85019322132 is a wasteful number, since it uses less digits than its factorization.

85019322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24589 (or 24584 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 85019322132 in words is "eighty-five billion, nineteen million, three hundred twenty-two thousand, one hundred thirty-two".