1097408677 has 2 divisors, whose sum is σ = 1097408678. Its totient is φ = 1097408676.

The previous prime is 1097408629. The next prime is 1097408699. The reversal of 1097408677 is 7768047901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738154561 + 359254116 = 27169^2 + 18954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097408677 - 2⁷ = 1097408549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1097408677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097408617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548704338 + 548704339.

It is an arithmetic number, because the mean of its divisors is an integer number (548704339).

Almost surely, 2^1097408677 is an apocalyptic number.

It is an amenable number.

1097408677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097408677 is an equidigital number, since it uses as much as digits as its factorization.

1097408677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 1097408677 is about 33127.1592050994. The cubic root of 1097408677 is about 1031.4688807659.

The spelling of 1097408677 in words is "one billion, ninety-seven million, four hundred eight thousand, six hundred seventy-seven".