1138077667 has 4 divisors (see below), whose sum is σ = 1138181296. Its totient is φ = 1137974040.

The previous prime is 1138077649. The next prime is 1138077679. The reversal of 1138077667 is 7667708311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7667708311 = 8783 ⋅873017.

It is a cyclic number.

It is not a de Polignac number, because 1138077667 - 2⁷ = 1138077539 is a prime.

It is a super-2 number, since 2×1138077667² = 2590441552248325778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138074667) 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, 33084 + ... + 58057.

It is an arithmetic number, because the mean of its divisors is an integer number (284545324).

Almost surely, 2^1138077667 is an apocalyptic number.

1138077667 is a deficient number, since it is larger than the sum of its proper divisors (103629).

1138077667 is an equidigital number, since it uses as much as digits as its factorization.

1138077667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103628.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 1138077667 is about 33735.4067264647. The cubic root of 1138077667 is about 1044.0564170835.

The spelling of 1138077667 in words is "one billion, one hundred thirty-eight million, seventy-seven thousand, six hundred sixty-seven".