7875497543 has 2 divisors, whose sum is σ = 7875497544. Its totient is φ = 7875497542.

The previous prime is 7875497467. The next prime is 7875497557. The reversal of 7875497543 is 3457945787.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7875497543 - 2¹² = 7875493447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7875497743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937748771 + 3937748772.

It is an arithmetic number, because the mean of its divisors is an integer number (3937748772).

Almost surely, 2^7875497543 is an apocalyptic number.

7875497543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7875497543 is an equidigital number, since it uses as much as digits as its factorization.

7875497543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29635200, while the sum is 59.

The square root of 7875497543 is about 88744.0000394393. Note that the first 4 decimals coincide. The cubic root of 7875497543 is about 1989.5705025803.

The spelling of 7875497543 in words is "seven billion, eight hundred seventy-five million, four hundred ninety-seven thousand, five hundred forty-three".