1078778053 has 2 divisors, whose sum is σ = 1078778054. Its totient is φ = 1078778052.

The previous prime is 1078778033. The next prime is 1078778081. The reversal of 1078778053 is 3508778701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825872644 + 252905409 = 28738^2 + 15903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078778053 - 2²¹ = 1076680901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078777994 and 1078778012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078778033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539389026 + 539389027.

It is an arithmetic number, because the mean of its divisors is an integer number (539389027).

Almost surely, 2^1078778053 is an apocalyptic number.

It is an amenable number.

1078778053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078778053 is an equidigital number, since it uses as much as digits as its factorization.

1078778053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 1078778053 is about 32844.7568570693. The cubic root of 1078778053 is about 1025.5984775400.

The spelling of 1078778053 in words is "one billion, seventy-eight million, seven hundred seventy-eight thousand, fifty-three".