76947328811 has 2 divisors, whose sum is σ = 76947328812. Its totient is φ = 76947328810.

The previous prime is 76947328789. The next prime is 76947328817. The reversal of 76947328811 is 11882374967.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76947328811 is a prime.

It is a super-2 number, since 2×76947328811² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76947328817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38473664405 + 38473664406.

It is an arithmetic number, because the mean of its divisors is an integer number (38473664406).

Almost surely, 2^76947328811 is an apocalyptic number.

76947328811 is a deficient number, since it is larger than the sum of its proper divisors (1).

76947328811 is an equidigital number, since it uses as much as digits as its factorization.

76947328811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 56.

The spelling of 76947328811 in words is "seventy-six billion, nine hundred forty-seven million, three hundred twenty-eight thousand, eight hundred eleven".