76040212169 has 6 divisors (see below), whose sum is σ = 80776281054. Its totient is φ = 71567258240.

The previous prime is 76040212159. The next prime is 76040212217. The reversal of 76040212169 is 96121204067.

It can be written as a sum of positive squares in 3 ways, for example, as 46854931600 + 29185280569 = 216460^2 + 170837^2 .

It is not a de Polignac number, because 76040212169 - 2²⁸ = 75771776713 is a prime.

It is a super-2 number, since 2×76040212169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76040212109) 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, 131557172 + ... + 131557749.

It is an arithmetic number, because the mean of its divisors is an integer number (13462713509).

Almost surely, 2^76040212169 is an apocalyptic number.

It is an amenable number.

76040212169 is a deficient number, since it is larger than the sum of its proper divisors (4736068885).

76040212169 is a wasteful number, since it uses less digits than its factorization.

76040212169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263114955 (or 263114938 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 76040212169 in words is "seventy-six billion, forty million, two hundred twelve thousand, one hundred sixty-nine".