7669955971 has 2 divisors, whose sum is σ = 7669955972. Its totient is φ = 7669955970.

The previous prime is 7669955957. The next prime is 7669955983. The reversal of 7669955971 is 1795599667.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7669955971 - 2¹⁵ = 7669923203 is a prime.

It is not a weakly prime, because it can be changed into another prime (7669955911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834977985 + 3834977986.

It is an arithmetic number, because the mean of its divisors is an integer number (3834977986).

Almost surely, 2^7669955971 is an apocalyptic number.

7669955971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7669955971 is an equidigital number, since it uses as much as digits as its factorization.

7669955971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32148900, while the sum is 64.

The square root of 7669955971 is about 87578.2848142164. The cubic root of 7669955971 is about 1972.1091902992.

The spelling of 7669955971 in words is "seven billion, six hundred sixty-nine million, nine hundred fifty-five thousand, nine hundred seventy-one".