1077445549 has 2 divisors, whose sum is σ = 1077445550. Its totient is φ = 1077445548.

The previous prime is 1077445543. The next prime is 1077445561. The reversal of 1077445549 is 9455447701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929823049 + 147622500 = 30493^2 + 12150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077445549 - 2³ = 1077445541 is a prime.

It is a super-2 number, since 2×1077445549² = 2321777822119822802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1077445499 and 1077445508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077445541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538722774 + 538722775.

It is an arithmetic number, because the mean of its divisors is an integer number (538722775).

Almost surely, 2^1077445549 is an apocalyptic number.

It is an amenable number.

1077445549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077445549 is an equidigital number, since it uses as much as digits as its factorization.

1077445549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 1077445549 is about 32824.4657077613. The cubic root of 1077445549 is about 1025.1760313177.

The spelling of 1077445549 in words is "one billion, seventy-seven million, four hundred forty-five thousand, five hundred forty-nine".