1097199377 has 8 divisors (see below), whose sum is σ = 1108773576. Its totient is φ = 1085658112.

The previous prime is 1097199373. The next prime is 1097199391. The reversal of 1097199377 is 7739917901.

It is a Cunningham number, because it is equal to 182⁴+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 1097199376 = 1^2 + 33124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1097199377 - 2² = 1097199373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097199373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61853 + ... + 77589.

It is an arithmetic number, because the mean of its divisors is an integer number (138596697).

Almost surely, 2^1097199377 is an apocalyptic number.

It is an amenable number.

1097199377 is a deficient number, since it is larger than the sum of its proper divisors (11574199).

1097199377 is a wasteful number, since it uses less digits than its factorization.

1097199377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467.

The product of its (nonzero) digits is 750141, while the sum is 53.

The square root of 1097199377 is about 33124.0000150948. Note that the first 4 decimals coincide. The cubic root of 1097199377 is about 1031.4033019870.

The spelling of 1097199377 in words is "one billion, ninety-seven million, one hundred ninety-nine thousand, three hundred seventy-seven".