82160477 has 8 divisors (see below), whose sum is σ = 93958656. Its totient is φ = 70377552.

The previous prime is 82160471. The next prime is 82160497. The reversal of 82160477 is 77406128.

It is a happy number.

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

It is not a de Polignac number, because 82160477 - 2⁶ = 82160413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82160471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12263 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (11744832).

Almost surely, 2^82160477 is an apocalyptic number.

It is an amenable number.

82160477 is a deficient number, since it is larger than the sum of its proper divisors (11798179).

82160477 is a wasteful number, since it uses less digits than its factorization.

82160477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 82160477 is about 9064.2416671225. The cubic root of 82160477 is about 434.7313742032.

The spelling of 82160477 in words is "eighty-two million, one hundred sixty thousand, four hundred seventy-seven".