82776951 has 8 divisors (see below), whose sum is σ = 122632560. Its totient is φ = 55184616.

The previous prime is 82776929. The next prime is 82776971. The reversal of 82776951 is 15967728.

It is not a de Polignac number, because 82776951 - 2⁹ = 82776439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82776897 and 82776906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82776971) 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, 1532880 + ... + 1532933.

It is an arithmetic number, because the mean of its divisors is an integer number (15329070).

Almost surely, 2^82776951 is an apocalyptic number.

82776951 is a deficient number, since it is larger than the sum of its proper divisors (39855609).

82776951 is a wasteful number, since it uses less digits than its factorization.

82776951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065822 (or 3065816 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 82776951 is about 9098.1839396662. The cubic root of 82776951 is about 435.8159714194.

The spelling of 82776951 in words is "eighty-two million, seven hundred seventy-six thousand, nine hundred fifty-one".