82045905 has 8 divisors (see below), whose sum is σ = 131273472. Its totient is φ = 43757808.

The previous prime is 82045897. The next prime is 82045913. The reversal of 82045905 is 50954028.

It is an interprime number because it is at equal distance from previous prime (82045897) and next prime (82045913).

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

It is not a de Polignac number, because 82045905 - 2³ = 82045897 is a prime.

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, 2734849 + ... + 2734878.

It is an arithmetic number, because the mean of its divisors is an integer number (16409184).

Almost surely, 2^82045905 is an apocalyptic number.

It is an amenable number.

82045905 is a deficient number, since it is larger than the sum of its proper divisors (49227567).

82045905 is a wasteful number, since it uses less digits than its factorization.

82045905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469735.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 82045905 is about 9057.9194630997. The cubic root of 82045905 is about 434.5292039503.

The spelling of 82045905 in words is "eighty-two million, forty-five thousand, nine hundred five".