7471979377 has 2 divisors, whose sum is σ = 7471979378. Its totient is φ = 7471979376.

The previous prime is 7471979363. The next prime is 7471979413. The reversal of 7471979377 is 7739791747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7403569936 + 68409441 = 86044^2 + 8271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7471979377 is a prime.

It is not a weakly prime, because it can be changed into another prime (7471979777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3735989688 + 3735989689.

It is an arithmetic number, because the mean of its divisors is an integer number (3735989689).

Almost surely, 2^7471979377 is an apocalyptic number.

It is an amenable number.

7471979377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7471979377 is an equidigital number, since it uses as much as digits as its factorization.

7471979377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16336404, while the sum is 61.

The square root of 7471979377 is about 86440.6118499863. The cubic root of 7471979377 is about 1954.9930666525.

The spelling of 7471979377 in words is "seven billion, four hundred seventy-one million, nine hundred seventy-nine thousand, three hundred seventy-seven".