82795169709 has 168 divisors, whose sum is σ = 155593009440. Its totient is φ = 43763654592.

The previous prime is 82795169707. The next prime is 82795169749. The reversal of 82795169709 is 90796159728.

82795169709 is a `hidden beast` number, since 8 + 27 + 9 + 516 + 97 + 0 + 9 = 666.

It is not a de Polignac number, because 82795169709 - 2¹ = 82795169707 is a prime.

It is a super-2 number, since 2×82795169709² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82795169707) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 29182639 + ... + 29185475.

Almost surely, 2^82795169709 is an apocalyptic number.

It is an amenable number.

82795169709 is a deficient number, since it is larger than the sum of its proper divisors (72797839731).

82795169709 is a wasteful number, since it uses less digits than its factorization.

82795169709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 82795169709 in words is "eighty-two billion, seven hundred ninety-five million, one hundred sixty-nine thousand, seven hundred nine".