84505612 has 6 divisors (see below), whose sum is σ = 147884828. Its totient is φ = 42252804.

The previous prime is 84505609. The next prime is 84505613. The reversal of 84505612 is 21650548.

It is not an unprimeable number, because it can be changed into a prime (84505613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10563198 + ... + 10563205.

Almost surely, 2^84505612 is an apocalyptic number.

It is an amenable number.

84505612 is a deficient number, since it is larger than the sum of its proper divisors (63379216).

84505612 is a wasteful number, since it uses less digits than its factorization.

84505612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21126407 (or 21126405 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 84505612 is about 9192.6934029152. The cubic root of 84505612 is about 438.8288621591.

The spelling of 84505612 in words is "eighty-four million, five hundred five thousand, six hundred twelve".