655779794 has 16 divisors (see below), whose sum is σ = 1096351200. Its totient is φ = 292359744.

The previous prime is 655779791. The next prime is 655779827. The reversal of 655779794 is 497977556.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655779791) 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, 506924 + ... + 508215.

It is an arithmetic number, because the mean of its divisors is an integer number (68521950).

Almost surely, 2^655779794 is an apocalyptic number.

655779794 is a deficient number, since it is larger than the sum of its proper divisors (440571406).

655779794 is a wasteful number, since it uses less digits than its factorization.

655779794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015177.

The product of its digits is 16669800, while the sum is 59.

The square root of 655779794 is about 25608.1977889894. The cubic root of 655779794 is about 868.7990626053.

The spelling of 655779794 in words is "six hundred fifty-five million, seven hundred seventy-nine thousand, seven hundred ninety-four".