772213229947 has 2 divisors, whose sum is σ = 772213229948. Its totient is φ = 772213229946.

The previous prime is 772213229917. The next prime is 772213229993. The reversal of 772213229947 is 749922312277.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772213229947 is a prime.

It is not a weakly prime, because it can be changed into another prime (772213229917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386106614973 + 386106614974.

It is an arithmetic number, because the mean of its divisors is an integer number (386106614974).

Almost surely, 2^772213229947 is an apocalyptic number.

772213229947 is a deficient number, since it is larger than the sum of its proper divisors (1).

772213229947 is an equidigital number, since it uses as much as digits as its factorization.

772213229947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The spelling of 772213229947 in words is "seven hundred seventy-two billion, two hundred thirteen million, two hundred twenty-nine thousand, nine hundred forty-seven".