84538327740 has 24 divisors (see below), whose sum is σ = 236707317840. Its totient is φ = 22543554048.

The previous prime is 84538327729. The next prime is 84538327751. The reversal of 84538327740 is 4772383548.

It is an interprime number because it is at equal distance from previous prime (84538327729) and next prime (84538327751).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704486005 + ... + 704486124.

It is an arithmetic number, because the mean of its divisors is an integer number (9862804910).

Almost surely, 2^84538327740 is an apocalyptic number.

It is an amenable number.

84538327740 is an abundant number, since it is smaller than the sum of its proper divisors (152168990100).

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

84538327740 is a wasteful number, since it uses less digits than its factorization.

84538327740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408972141 (or 1408972139 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 84538327740 in words is "eighty-four billion, five hundred thirty-eight million, three hundred twenty-seven thousand, seven hundred forty".