84725355387 has 16 divisors (see below), whose sum is σ = 115232163840. Its totient is φ = 55361497152.

The previous prime is 84725355347. The next prime is 84725355413. The reversal of 84725355387 is 78355352748.

It is a de Polignac number, because none of the positive numbers 2^k-84725355387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84725355307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272243 + ... + 1337180.

It is an arithmetic number, because the mean of its divisors is an integer number (7202010240).

Almost surely, 2^84725355387 is an apocalyptic number.

84725355387 is a deficient number, since it is larger than the sum of its proper divisors (30506808453).

84725355387 is a wasteful number, since it uses less digits than its factorization.

84725355387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609642.

The product of its digits is 28224000, while the sum is 57.

The spelling of 84725355387 in words is "eighty-four billion, seven hundred twenty-five million, three hundred fifty-five thousand, three hundred eighty-seven".