7115280377 has 2 divisors, whose sum is σ = 7115280378. Its totient is φ = 7115280376.

The previous prime is 7115280311. The next prime is 7115280397. The reversal of 7115280377 is 7730825117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6978764521 + 136515856 = 83539^2 + 11684^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115280377 - 2¹⁴ = 7115263993 is a prime.

It is not a weakly prime, because it can be changed into another prime (7115280397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557640188 + 3557640189.

It is an arithmetic number, because the mean of its divisors is an integer number (3557640189).

Almost surely, 2^7115280377 is an apocalyptic number.

It is an amenable number.

7115280377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115280377 is an equidigital number, since it uses as much as digits as its factorization.

7115280377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 7115280377 is about 84352.1213544745. The cubic root of 7115280377 is about 1923.3751737733.

The spelling of 7115280377 in words is "seven billion, one hundred fifteen million, two hundred eighty thousand, three hundred seventy-seven".