82773277043 has 4 divisors (see below), whose sum is σ = 83193446160. Its totient is φ = 82353107928.

The previous prime is 82773277031. The next prime is 82773277051. The reversal of 82773277043 is 34077237728.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82773277043 - 2¹⁸ = 82773014899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82773276982 and 82773277000.

It is not an unprimeable number, because it can be changed into a prime (82773297043) 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, 210084263 + ... + 210084656.

It is an arithmetic number, because the mean of its divisors is an integer number (20798361540).

Almost surely, 2^82773277043 is an apocalyptic number.

82773277043 is a deficient number, since it is larger than the sum of its proper divisors (420169117).

82773277043 is a wasteful number, since it uses less digits than its factorization.

82773277043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420169116.

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 82773277043 in words is "eighty-two billion, seven hundred seventy-three million, two hundred seventy-seven thousand, forty-three".