82492771 has 4 divisors (see below), whose sum is σ = 82883944. Its totient is φ = 82101600.

The previous prime is 82492763. The next prime is 82492793. The reversal of 82492771 is 17729428.

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 82492771 - 2³ = 82492763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82492171) 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, 195270 + ... + 195691.

It is an arithmetic number, because the mean of its divisors is an integer number (20720986).

Almost surely, 2^82492771 is an apocalyptic number.

82492771 is a deficient number, since it is larger than the sum of its proper divisors (391173).

82492771 is a wasteful number, since it uses less digits than its factorization.

82492771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391172.

The product of its digits is 56448, while the sum is 40.

The square root of 82492771 is about 9082.5531102218. The cubic root of 82492771 is about 435.3166690514.

The spelling of 82492771 in words is "eighty-two million, four hundred ninety-two thousand, seven hundred seventy-one".