76848831881 has 2 divisors, whose sum is σ = 76848831882. Its totient is φ = 76848831880.

The previous prime is 76848831809. The next prime is 76848831883. The reversal of 76848831881 is 18813884867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75955360000 + 893471881 = 275600^2 + 29891^2 .

It is an emirp because it is prime and its reverse (18813884867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76848831881 - 2¹⁰ = 76848830857 is a prime.

It is a super-2 number, since 2×76848831881² (a number of 23 digits) contains 22 as substring.

Together with 76848831883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76848831883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38424415940 + 38424415941.

It is an arithmetic number, because the mean of its divisors is an integer number (38424415941).

Almost surely, 2^76848831881 is an apocalyptic number.

It is an amenable number.

76848831881 is a deficient number, since it is larger than the sum of its proper divisors (1).

76848831881 is an equidigital number, since it uses as much as digits as its factorization.

76848831881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16515072, while the sum is 62.

The spelling of 76848831881 in words is "seventy-six billion, eight hundred forty-eight million, eight hundred thirty-one thousand, eight hundred eighty-one".