7738216201 has 4 divisors (see below), whose sum is σ = 7738792452. Its totient is φ = 7737639952.

The previous prime is 7738216193. The next prime is 7738216219. The reversal of 7738216201 is 1026128377.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2568462400 + 5169753801 = 50680^2 + 71901^2 .

It is a cyclic number.

It is not a de Polignac number, because 7738216201 - 2³ = 7738216193 is a prime.

It is a super-3 number, since 3×7738216201³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7738216271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267490 + ... + 295003.

It is an arithmetic number, because the mean of its divisors is an integer number (1934698113).

Almost surely, 2^7738216201 is an apocalyptic number.

It is an amenable number.

7738216201 is a deficient number, since it is larger than the sum of its proper divisors (576251).

7738216201 is a wasteful number, since it uses less digits than its factorization.

7738216201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576250.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7738216201 is about 87967.1313673465. The cubic root of 7738216201 is about 1977.9423068353.

The spelling of 7738216201 in words is "seven billion, seven hundred thirty-eight million, two hundred sixteen thousand, two hundred one".