1077217994 has 16 divisors (see below), whose sum is σ = 1630601280. Its totient is φ = 533702400.

The previous prime is 1077217987. The next prime is 1077218011. The reversal of 1077217994 is 4997127701.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 122282 + ... + 130794.

It is an arithmetic number, because the mean of its divisors is an integer number (101912580).

Almost surely, 2^1077217994 is an apocalyptic number.

1077217994 is a deficient number, since it is larger than the sum of its proper divisors (553383286).

1077217994 is a wasteful number, since it uses less digits than its factorization.

1077217994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 1077217994 is about 32820.9992839950. Note that the first 3 decimals coincide. The cubic root of 1077217994 is about 1025.1038543193.

Adding to 1077217994 its sum of digits (47), we get a square (1077218041 = 32821²).

The spelling of 1077217994 in words is "one billion, seventy-seven million, two hundred seventeen thousand, nine hundred ninety-four".