1077047681 has 2 divisors, whose sum is σ = 1077047682. Its totient is φ = 1077047680.

The previous prime is 1077047627. The next prime is 1077047707. The reversal of 1077047681 is 1867407701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833188225 + 243859456 = 28865^2 + 15616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077047681 - 2²⁶ = 1009938817 is a prime.

It is a super-2 number, since 2×1077047681² = 2320063414294955522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1077044681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538523840 + 538523841.

It is an arithmetic number, because the mean of its divisors is an integer number (538523841).

Almost surely, 2^1077047681 is an apocalyptic number.

It is an amenable number.

1077047681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077047681 is an equidigital number, since it uses as much as digits as its factorization.

1077047681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 1077047681 is about 32818.4046077807. The cubic root of 1077047681 is about 1025.0498269651.

The spelling of 1077047681 in words is "one billion, seventy-seven million, forty-seven thousand, six hundred eighty-one".