82816750 has 32 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 31981600.

The previous prime is 82816709. The next prime is 82816751. The reversal of 82816750 is 5761828.

It is a super-2 number, since 2×82816750² = 13717228161125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82816751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^82816750 is an apocalyptic number.

82816750 is a deficient number, since it is larger than the sum of its proper divisors (77576210).

82816750 is a wasteful number, since it uses less digits than its factorization.

82816750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469 (or 11459 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 82816750 is about 9100.3708715634. The cubic root of 82816750 is about 435.8858067240.

It can be divided in two parts, 828 and 16750, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 82816750 in words is "eighty-two million, eight hundred sixteen thousand, seven hundred fifty".