84338838650 has 24 divisors (see below), whose sum is σ = 171131171904. Its totient is φ = 30668668400.

The previous prime is 84338838637. The next prime is 84338838653. The reversal of 84338838650 is 5683883348.

It is a super-2 number, since 2×84338838650² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84338838653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76671122 + ... + 76672221.

It is an arithmetic number, because the mean of its divisors is an integer number (7130465496).

Almost surely, 2^84338838650 is an apocalyptic number.

84338838650 is an abundant number, since it is smaller than the sum of its proper divisors (86792333254).

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

84338838650 is a wasteful number, since it uses less digits than its factorization.

84338838650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153343366 (or 153343361 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 84338838650 in words is "eighty-four billion, three hundred thirty-eight million, eight hundred thirty-eight thousand, six hundred fifty".