82776754367 has 4 divisors (see below), whose sum is σ = 82780290336. Its totient is φ = 82773218400.

The previous prime is 82776754321. The next prime is 82776754391. The reversal of 82776754367 is 76345767728.

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 82776754367 - 2⁶ = 82776754303 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 (82776754397) 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, 1732634 + ... + 1779767.

It is an arithmetic number, because the mean of its divisors is an integer number (20695072584).

Almost surely, 2^82776754367 is an apocalyptic number.

82776754367 is a deficient number, since it is larger than the sum of its proper divisors (3535969).

82776754367 is a wasteful number, since it uses less digits than its factorization.

82776754367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535968.

The product of its digits is 82978560, while the sum is 62.

The spelling of 82776754367 in words is "eighty-two billion, seven hundred seventy-six million, seven hundred fifty-four thousand, three hundred sixty-seven".