1077137639 has 2 divisors, whose sum is σ = 1077137640. Its totient is φ = 1077137638.

The previous prime is 1077137597. The next prime is 1077137657. The reversal of 1077137639 is 9367317701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1077137639 - 2¹² = 1077133543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1077137639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077137669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538568819 + 538568820.

It is an arithmetic number, because the mean of its divisors is an integer number (538568820).

Almost surely, 2^1077137639 is an apocalyptic number.

1077137639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077137639 is an equidigital number, since it uses as much as digits as its factorization.

1077137639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 1077137639 is about 32819.7751211065. The cubic root of 1077137639 is about 1025.0783645024.

The spelling of 1077137639 in words is "one billion, seventy-seven million, one hundred thirty-seven thousand, six hundred thirty-nine".