7842539603 has 12 divisors (see below), whose sum is σ = 8442294120. Its totient is φ = 7260151680.

The previous prime is 7842539591. The next prime is 7842539623. The reversal of 7842539603 is 3069352487.

It is a happy number.

It is not a de Polignac number, because 7842539603 - 2⁸ = 7842539347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7842539623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268 + ... + 125246.

It is an arithmetic number, because the mean of its divisors is an integer number (703524510).

Almost surely, 2^7842539603 is an apocalyptic number.

7842539603 is a deficient number, since it is larger than the sum of its proper divisors (599754517).

7842539603 is a wasteful number, since it uses less digits than its factorization.

7842539603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124118 (or 124057 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 7842539603 is about 88558.1142696704. The cubic root of 7842539603 is about 1986.7912568473.

The spelling of 7842539603 in words is "seven billion, eight hundred forty-two million, five hundred thirty-nine thousand, six hundred three".