1077680897 has 2 divisors, whose sum is σ = 1077680898. Its totient is φ = 1077680896.

The previous prime is 1077680873. The next prime is 1077680909. The reversal of 1077680897 is 7980867701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932935936 + 144744961 = 30544^2 + 12031^2 .

It is an emirp because it is prime and its reverse (7980867701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1077680897 - 2¹⁶ = 1077615361 is a prime.

It is a super-2 number, since 2×1077680897² = 2322792231517449218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1077680867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538840448 + 538840449.

It is an arithmetic number, because the mean of its divisors is an integer number (538840449).

Almost surely, 2^1077680897 is an apocalyptic number.

It is an amenable number.

1077680897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077680897 is an equidigital number, since it uses as much as digits as its factorization.

1077680897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The square root of 1077680897 is about 32828.0504599344. The cubic root of 1077680897 is about 1025.2506694479.

The spelling of 1077680897 in words is "one billion, seventy-seven million, six hundred eighty thousand, eight hundred ninety-seven".