82750805 has 8 divisors (see below), whose sum is σ = 99856800. Its totient is φ = 65830096.

The previous prime is 82750799. The next prime is 82750817. The reversal of 82750805 is 50805728.

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

It is a cyclic number.

It is not a de Polignac number, because 82750805 - 2⁶ = 82750741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45335 + ... + 47124.

It is an arithmetic number, because the mean of its divisors is an integer number (12482100).

Almost surely, 2^82750805 is an apocalyptic number.

It is an amenable number.

82750805 is a deficient number, since it is larger than the sum of its proper divisors (17105995).

82750805 is a wasteful number, since it uses less digits than its factorization.

82750805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92643.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 82750805 is about 9096.7469460242. The cubic root of 82750805 is about 435.7700808497.

The spelling of 82750805 in words is "eighty-two million, seven hundred fifty thousand, eight hundred five".