76969659127 has 4 divisors (see below), whose sum is σ = 76982239936. Its totient is φ = 76957078320.

The previous prime is 76969659113. The next prime is 76969659149. The reversal of 76969659127 is 72195696967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72195696967 = 859 ⋅84046213.

It is a cyclic number.

It is not a de Polignac number, because 76969659127 - 2³¹ = 74822175479 is a prime.

It is a super-2 number, since 2×76969659127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76969654127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6281223 + ... + 6293464.

It is an arithmetic number, because the mean of its divisors is an integer number (19245559984).

Almost surely, 2^76969659127 is an apocalyptic number.

76969659127 is a deficient number, since it is larger than the sum of its proper divisors (12580809).

76969659127 is a wasteful number, since it uses less digits than its factorization.

76969659127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12580808.

The product of its digits is 77157360, while the sum is 67.

The spelling of 76969659127 in words is "seventy-six billion, nine hundred sixty-nine million, six hundred fifty-nine thousand, one hundred twenty-seven".