82306775 has 12 divisors (see below), whose sum is σ = 108064512. Its totient is φ = 61971840.

The previous prime is 82306771. The next prime is 82306781. The reversal of 82306775 is 57760328.

It is a happy number.

It is not a de Polignac number, because 82306775 - 2² = 82306771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82306771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96407 + ... + 97256.

It is an arithmetic number, because the mean of its divisors is an integer number (9005376).

Almost surely, 2^82306775 is an apocalyptic number.

82306775 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82306775 is a deficient number, since it is larger than the sum of its proper divisors (25757737).

82306775 is a wasteful number, since it uses less digits than its factorization.

82306775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193690 (or 193685 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 82306775 is about 9072.3081407104. The cubic root of 82306775 is about 434.9892541495.

The spelling of 82306775 in words is "eighty-two million, three hundred six thousand, seven hundred seventy-five".