381088877266 has 8 divisors (see below), whose sum is σ = 571711547340. Its totient is φ = 190518361488.

The previous prime is 381088877263. The next prime is 381088877291. The reversal of 381088877266 is 662778880183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 377522996041 + 3565881225 = 614429^2 + 59715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 381088877198 and 381088877207.

It is not an unprimeable number, because it can be changed into a prime (381088877263) 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, 13020301 + ... + 13049536.

Almost surely, 2^381088877266 is an apocalyptic number.

381088877266 is a deficient number, since it is larger than the sum of its proper divisors (190622670074).

381088877266 is a wasteful number, since it uses less digits than its factorization.

381088877266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077148.

The product of its (nonzero) digits is 43352064, while the sum is 64.

The spelling of 381088877266 in words is "three hundred eighty-one billion, eighty-eight million, eight hundred seventy-seven thousand, two hundred sixty-six".