8115900743 has 2 divisors, whose sum is σ = 8115900744. Its totient is φ = 8115900742.

The previous prime is 8115900739. The next prime is 8115900823. The reversal of 8115900743 is 3470095118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8115900743 - 2² = 8115900739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8115900697 and 8115900706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8115900703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4057950371 + 4057950372.

It is an arithmetic number, because the mean of its divisors is an integer number (4057950372).

Almost surely, 2^8115900743 is an apocalyptic number.

8115900743 is a deficient number, since it is larger than the sum of its proper divisors (1).

8115900743 is an equidigital number, since it uses as much as digits as its factorization.

8115900743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 8115900743 is about 90088.2941507941. The cubic root of 8115900743 is about 2009.6121247710.

The spelling of 8115900743 in words is "eight billion, one hundred fifteen million, nine hundred thousand, seven hundred forty-three".