84346720136 has 32 divisors (see below), whose sum is σ = 180776629440. Its totient is φ = 36141862848.

The previous prime is 84346720127. The next prime is 84346720147. The reversal of 84346720136 is 63102764348.

It is a super-2 number, since 2×84346720136² (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 7 ways as a sum of consecutive naturals, for example, 169211 + ... + 444213.

It is an arithmetic number, because the mean of its divisors is an integer number (5649269670).

Almost surely, 2^84346720136 is an apocalyptic number.

It is an amenable number.

84346720136 is an abundant number, since it is smaller than the sum of its proper divisors (96429909304).

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

84346720136 is a wasteful number, since it uses less digits than its factorization.

84346720136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280493 (or 280489 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 84346720136 in words is "eighty-four billion, three hundred forty-six million, seven hundred twenty thousand, one hundred thirty-six".