7738228377 has 64 divisors (see below), whose sum is σ = 12779078400. Its totient is φ = 4588047360.

The previous prime is 7738228373. The next prime is 7738228387.

7738228377 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7738228377 - 2² = 7738228373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7738228373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9333999 + ... + 9334827.

It is an arithmetic number, because the mean of its divisors is an integer number (199673100).

Almost surely, 2^7738228377 is an apocalyptic number.

It is an amenable number.

7738228377 is a deficient number, since it is larger than the sum of its proper divisors (5040850023).

7738228377 is a wasteful number, since it uses less digits than its factorization.

7738228377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The square root of 7738228377 is about 87967.2005749870. The cubic root of 7738228377 is about 1977.9433442584.

The spelling of 7738228377 in words is "seven billion, seven hundred thirty-eight million, two hundred twenty-eight thousand, three hundred seventy-seven".