1096711778 has 6 divisors (see below), whose sum is σ = 1645137921. Its totient is φ = 548332472.

The previous prime is 1096711753. The next prime is 1096711789. The reversal of 1096711778 is 8771176901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1090122289 + 6589489 = 33017^2 + 2567^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23417.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35126 + ... + 58542.

Almost surely, 2^1096711778 is an apocalyptic number.

1096711778 is a deficient number, since it is larger than the sum of its proper divisors (548426143).

1096711778 is an frugal number, since it uses more digits than its factorization.

1096711778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836 (or 23419 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 47.

The square root of 1096711778 is about 33116.6389900908. The cubic root of 1096711778 is about 1031.2504930123.

The spelling of 1096711778 in words is "one billion, ninety-six million, seven hundred eleven thousand, seven hundred seventy-eight".