7875338537 has 4 divisors (see below), whose sum is σ = 8591278416. Its totient is φ = 7159398660.

The previous prime is 7875338533. The next prime is 7875338543. The reversal of 7875338537 is 7358335787.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7875338537 - 2² = 7875338533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7875338533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357969923 + ... + 357969944.

It is an arithmetic number, because the mean of its divisors is an integer number (2147819604).

Almost surely, 2^7875338537 is an apocalyptic number.

It is an amenable number.

7875338537 is a deficient number, since it is larger than the sum of its proper divisors (715939879).

7875338537 is a wasteful number, since it uses less digits than its factorization.

7875338537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715939878.

The product of its digits is 14817600, while the sum is 56.

The square root of 7875338537 is about 88743.1041659013. The cubic root of 7875338537 is about 1989.5571127056.

The spelling of 7875338537 in words is "seven billion, eight hundred seventy-five million, three hundred thirty-eight thousand, five hundred thirty-seven".