1077137638 has 4 divisors (see below), whose sum is σ = 1615706460. Its totient is φ = 538568818.

The previous prime is 1077137597. The next prime is 1077137639. The reversal of 1077137638 is 8367317701.

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

It is a junction number, because it is equal to n+sod(n) for n = 1077137594 and 1077137603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077137639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269284408 + ... + 269284411.

It is an arithmetic number, because the mean of its divisors is an integer number (403926615).

Almost surely, 2^1077137638 is an apocalyptic number.

1077137638 is a deficient number, since it is larger than the sum of its proper divisors (538568822).

1077137638 is an equidigital number, since it uses as much as digits as its factorization.

1077137638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538568821.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 1077137638 is about 32819.7751058718. The cubic root of 1077137638 is about 1025.0783641852.

The spelling of 1077137638 in words is "one billion, seventy-seven million, one hundred thirty-seven thousand, six hundred thirty-eight".