84701400847 has 16 divisors (see below), whose sum is σ = 97709213952. Its totient is φ = 71921162880.

The previous prime is 84701400803. The next prime is 84701400857. The reversal of 84701400847 is 74800410748.

It is a de Polignac number, because none of the positive numbers 2^k-84701400847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84701400857) 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, 1544772 + ... + 1598662.

It is an arithmetic number, because the mean of its divisors is an integer number (6106825872).

Almost surely, 2^84701400847 is an apocalyptic number.

84701400847 is a deficient number, since it is larger than the sum of its proper divisors (13007813105).

84701400847 is a wasteful number, since it uses less digits than its factorization.

84701400847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55998.

The product of its (nonzero) digits is 200704, while the sum is 43.

Subtracting from 84701400847 its reverse (74800410748), we obtain a palindrome (9900990099).

The spelling of 84701400847 in words is "eighty-four billion, seven hundred one million, four hundred thousand, eight hundred forty-seven".