76850871847 has 2 divisors, whose sum is σ = 76850871848. Its totient is φ = 76850871846.

The previous prime is 76850871841. The next prime is 76850871859. The reversal of 76850871847 is 74817805867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76850871847 - 2²³ = 76842483239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76850871841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38425435923 + 38425435924.

It is an arithmetic number, because the mean of its divisors is an integer number (38425435924).

Almost surely, 2^76850871847 is an apocalyptic number.

76850871847 is a deficient number, since it is larger than the sum of its proper divisors (1).

76850871847 is an equidigital number, since it uses as much as digits as its factorization.

76850871847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21073920, while the sum is 61.

The spelling of 76850871847 in words is "seventy-six billion, eight hundred fifty million, eight hundred seventy-one thousand, eight hundred forty-seven".