85214934612 has 18 divisors (see below), whose sum is σ = 215404418138. Its totient is φ = 28404978192.

The previous prime is 85214934557. The next prime is 85214934631. The reversal of 85214934612 is 21643941258.

85214934612 is a `hidden beast` number, since 8 + 5 + 21 + 4 + 9 + 3 + 4 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60454023876 + 24760910736 = 245874^2 + 157356^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1183540723 + ... + 1183540794.

Almost surely, 2^85214934612 is an apocalyptic number.

It is an amenable number.

85214934612 is an abundant number, since it is smaller than the sum of its proper divisors (130189483526).

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

85214934612 is a wasteful number, since it uses less digits than its factorization.

85214934612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367081527 (or 2367081522 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 85214934612 in words is "eighty-five billion, two hundred fourteen million, nine hundred thirty-four thousand, six hundred twelve".