84330447738 has 32 divisors (see below), whose sum is σ = 178221772800. Its totient is φ = 26547611376.

The previous prime is 84330447727. The next prime is 84330447743. The reversal of 84330447738 is 83774403348.

It is a happy number.

It is a super-2 number, since 2×84330447738² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3856758 + ... + 3878561.

It is an arithmetic number, because the mean of its divisors is an integer number (5569430400).

Almost surely, 2^84330447738 is an apocalyptic number.

84330447738 is an abundant number, since it is smaller than the sum of its proper divisors (93891325062).

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

84330447738 is a wasteful number, since it uses less digits than its factorization.

84330447738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735426.

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 84330447738 in words is "eighty-four billion, three hundred thirty million, four hundred forty-seven thousand, seven hundred thirty-eight".