83212276493 has 4 divisors (see below), whose sum is σ = 83328010560. Its totient is φ = 83096542428.

The previous prime is 83212276471. The next prime is 83212276507. The reversal of 83212276493 is 39467221238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83212276493 - 2¹⁰ = 83212275469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83212276463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57865955 + ... + 57867392.

It is an arithmetic number, because the mean of its divisors is an integer number (20832002640).

Almost surely, 2^83212276493 is an apocalyptic number.

It is an amenable number.

83212276493 is a deficient number, since it is larger than the sum of its proper divisors (115734067).

83212276493 is a wasteful number, since it uses less digits than its factorization.

83212276493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115734066.

The product of its digits is 870912, while the sum is 47.

The spelling of 83212276493 in words is "eighty-three billion, two hundred twelve million, two hundred seventy-six thousand, four hundred ninety-three".