82748782 has 8 divisors (see below), whose sum is σ = 124470000. Its totient is φ = 41258784.

The previous prime is 82748773. The next prime is 82748791. The reversal of 82748782 is 28784728.

It is an interprime number because it is at equal distance from previous prime (82748773) and next prime (82748791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56907 + ... + 58342.

It is an arithmetic number, because the mean of its divisors is an integer number (15558750).

Almost surely, 2^82748782 is an apocalyptic number.

82748782 is a deficient number, since it is larger than the sum of its proper divisors (41721218).

82748782 is a wasteful number, since it uses less digits than its factorization.

82748782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115610.

The product of its digits is 401408, while the sum is 46.

The square root of 82748782 is about 9096.6357517491. The cubic root of 82748782 is about 435.7665297460.

The spelling of 82748782 in words is "eighty-two million, seven hundred forty-eight thousand, seven hundred eighty-two".