76783914871 has 2 divisors, whose sum is σ = 76783914872. Its totient is φ = 76783914870.

The previous prime is 76783914839. The next prime is 76783914931. The reversal of 76783914871 is 17841938767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76783914871 - 2⁵ = 76783914839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76783914811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38391957435 + 38391957436.

It is an arithmetic number, because the mean of its divisors is an integer number (38391957436).

Almost surely, 2^76783914871 is an apocalyptic number.

76783914871 is a deficient number, since it is larger than the sum of its proper divisors (1).

76783914871 is an equidigital number, since it uses as much as digits as its factorization.

76783914871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 61.

The spelling of 76783914871 in words is "seventy-six billion, seven hundred eighty-three million, nine hundred fourteen thousand, eight hundred seventy-one".