76009221947 has 2 divisors, whose sum is σ = 76009221948. Its totient is φ = 76009221946.

The previous prime is 76009221907. The next prime is 76009221971. The reversal of 76009221947 is 74912290067.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76009221947 - 2²⁸ = 75740786491 is a prime.

It is not a weakly prime, because it can be changed into another prime (76009221907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38004610973 + 38004610974.

It is an arithmetic number, because the mean of its divisors is an integer number (38004610974).

Almost surely, 2^76009221947 is an apocalyptic number.

76009221947 is a deficient number, since it is larger than the sum of its proper divisors (1).

76009221947 is an equidigital number, since it uses as much as digits as its factorization.

76009221947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 76009221947 in words is "seventy-six billion, nine million, two hundred twenty-one thousand, nine hundred forty-seven".