376778675329 has 15 divisors (see below), whose sum is σ = 439584057857. Its totient is φ = 322927369716.

The previous prime is 376778675323. The next prime is 376778675369. The reversal of 376778675329 is 923576877673.

The square root of 376778675329 is 613823.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 376778675329 - 2⁹ = 376778674817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (376778675323) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 30071064 + ... + 30083590.

Almost surely, 2^376778675329 is an apocalyptic number.

376778675329 is the 613823-rd square number.

376778675329 is the 306912-nd centered octagonal number.

It is an amenable number.

376778675329 is a deficient number, since it is larger than the sum of its proper divisors (62805382528).

376778675329 is an frugal number, since it uses more digits than its factorization.

376778675329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25082 (or 12534 counting only the distinct ones).

The product of its digits is 560105280, while the sum is 70.

The spelling of 376778675329 in words is "three hundred seventy-six billion, seven hundred seventy-eight million, six hundred seventy-five thousand, three hundred twenty-nine".