82881957434 has 16 divisors (see below), whose sum is σ = 130917146400. Its totient is φ = 39244605264.

The previous prime is 82881957421. The next prime is 82881957439. The reversal of 82881957434 is 43475918828.

It is not an unprimeable number, because it can be changed into a prime (82881957439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324857 + ... + 520860.

It is an arithmetic number, because the mean of its divisors is an integer number (8182321650).

Almost surely, 2^82881957434 is an apocalyptic number.

82881957434 is a deficient number, since it is larger than the sum of its proper divisors (48035188966).

82881957434 is a wasteful number, since it uses less digits than its factorization.

82881957434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848317.

The product of its digits is 15482880, while the sum is 59.

The spelling of 82881957434 in words is "eighty-two billion, eight hundred eighty-one million, nine hundred fifty-seven thousand, four hundred thirty-four".