84399949236 has 12 divisors (see below), whose sum is σ = 196933214912. Its totient is φ = 28133316408.

The previous prime is 84399949133. The next prime is 84399949237. The reversal of 84399949236 is 63294999348.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84399949237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516664540 + ... + 3516664563.

Almost surely, 2^84399949236 is an apocalyptic number.

It is an amenable number.

84399949236 is an abundant number, since it is smaller than the sum of its proper divisors (112533265676).

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

84399949236 is a wasteful number, since it uses less digits than its factorization.

84399949236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033329110 (or 7033329108 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 66.

The spelling of 84399949236 in words is "eighty-four billion, three hundred ninety-nine million, nine hundred forty-nine thousand, two hundred thirty-six".