84839805495 has 24 divisors (see below), whose sum is σ = 149548136400. Its totient is φ = 44480981376.

The previous prime is 84839805469. The next prime is 84839805497. The reversal of 84839805495 is 59450893848.

84839805495 is a `hidden beast` number, since 8 + 4 + 8 + 3 + 9 + 80 + 549 + 5 = 666.

It is not a de Polignac number, because 84839805495 - 2⁶ = 84839805431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84839805497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15974710 + ... + 15980019.

It is an arithmetic number, because the mean of its divisors is an integer number (6231172350).

Almost surely, 2^84839805495 is an apocalyptic number.

84839805495 is a deficient number, since it is larger than the sum of its proper divisors (64708330905).

84839805495 is a wasteful number, since it uses less digits than its factorization.

84839805495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31954799 (or 31954796 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 84839805495 in words is "eighty-four billion, eight hundred thirty-nine million, eight hundred five thousand, four hundred ninety-five".