7873761487 has 2 divisors, whose sum is σ = 7873761488. Its totient is φ = 7873761486.

The previous prime is 7873761473. The next prime is 7873761509. The reversal of 7873761487 is 7841673787.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7873761487 - 2⁷ = 7873761359 is a prime.

It is a super-2 number, since 2×7873761487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7873761437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936880743 + 3936880744.

It is an arithmetic number, because the mean of its divisors is an integer number (3936880744).

Almost surely, 2^7873761487 is an apocalyptic number.

7873761487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7873761487 is an equidigital number, since it uses as much as digits as its factorization.

7873761487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11063808, while the sum is 58.

The square root of 7873761487 is about 88734.2182418936. The cubic root of 7873761487 is about 1989.4242997693.

The spelling of 7873761487 in words is "seven billion, eight hundred seventy-three million, seven hundred sixty-one thousand, four hundred eighty-seven".