82773225937 has 4 divisors (see below), whose sum is σ = 82775405056. Its totient is φ = 82771046820.

The previous prime is 82773225923. The next prime is 82773225971. The reversal of 82773225937 is 73952237728.

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 82773225937 - 2¹¹ = 82773223889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82773225917) 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, 1031553 + ... + 1108894.

It is an arithmetic number, because the mean of its divisors is an integer number (20693851264).

Almost surely, 2^82773225937 is an apocalyptic number.

It is an amenable number.

82773225937 is a deficient number, since it is larger than the sum of its proper divisors (2179119).

82773225937 is a wasteful number, since it uses less digits than its factorization.

82773225937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179118.

The product of its digits is 8890560, while the sum is 55.

The spelling of 82773225937 in words is "eighty-two billion, seven hundred seventy-three million, two hundred twenty-five thousand, nine hundred thirty-seven".