82837921947434 has 16 divisors (see below), whose sum is σ = 124284789980928. Its totient is φ = 41409659648352.

The previous prime is 82837921947419. The next prime is 82837921947439. The reversal of 82837921947434 is 43474912973828.

It is not an unprimeable number, because it can be changed into a prime (82837921947439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166987814 + ... + 167483150.

It is an arithmetic number, because the mean of its divisors is an integer number (7767799373808).

Almost surely, 2^{82837921947434} is an apocalyptic number.

82837921947434 is a deficient number, since it is larger than the sum of its proper divisors (41446868033494).

82837921947434 is a wasteful number, since it uses less digits than its factorization.

82837921947434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513949.

The product of its digits is 585252864, while the sum is 71.

The spelling of 82837921947434 in words is "eighty-two trillion, eight hundred thirty-seven billion, nine hundred twenty-one million, nine hundred forty-seven thousand, four hundred thirty-four".