1097393377 has 4 divisors (see below), whose sum is σ = 1098843796. Its totient is φ = 1095942960.

The previous prime is 1097393369. The next prime is 1097393383. The reversal of 1097393377 is 7733937901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7733937901 = 3049 ⋅2536549.

It can be written as a sum of positive squares in 2 ways, for example, as 879063201 + 218330176 = 29649^2 + 14776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097393377 - 2³ = 1097393369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097393377.

It is not an unprimeable number, because it can be changed into a prime (1097393357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724074 + ... + 725587.

It is an arithmetic number, because the mean of its divisors is an integer number (274710949).

Almost surely, 2^1097393377 is an apocalyptic number.

It is an amenable number.

1097393377 is a deficient number, since it is larger than the sum of its proper divisors (1450419).

1097393377 is an equidigital number, since it uses as much as digits as its factorization.

1097393377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450418.

The product of its (nonzero) digits is 750141, while the sum is 49.

The square root of 1097393377 is about 33126.9282759510. The cubic root of 1097393377 is about 1031.4640871864.

The spelling of 1097393377 in words is "one billion, ninety-seven million, three hundred ninety-three thousand, three hundred seventy-seven".