82126417 has 6 divisors (see below), whose sum is σ = 86676738. Its totient is φ = 77803632.

The previous prime is 82126393. The next prime is 82126423. The reversal of 82126417 is 71462128.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 27499536 = 7391^2 + 5244^2 .

It is a de Polignac number, because none of the positive numbers 2^k-82126417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82126427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113388 + ... + 114109.

It is an arithmetic number, because the mean of its divisors is an integer number (14446123).

Almost surely, 2^82126417 is an apocalyptic number.

It is an amenable number.

82126417 is a deficient number, since it is larger than the sum of its proper divisors (4550321).

82126417 is a wasteful number, since it uses less digits than its factorization.

82126417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227535 (or 227516 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 82126417 is about 9062.3626610283. The cubic root of 82126417 is about 434.6712926096.

The spelling of 82126417 in words is "eighty-two million, one hundred twenty-six thousand, four hundred seventeen".