797617654 has 16 divisors (see below), whose sum is σ = 1212825600. Its totient is φ = 393353064.

The previous prime is 797617643. The next prime is 797617673. The reversal of 797617654 is 456716797.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200109 + ... + 204055.

It is an arithmetic number, because the mean of its divisors is an integer number (75801600).

Almost surely, 2^797617654 is an apocalyptic number.

797617654 is a deficient number, since it is larger than the sum of its proper divisors (415207946).

797617654 is a wasteful number, since it uses less digits than its factorization.

797617654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307.

The product of its digits is 2222640, while the sum is 52.

The square root of 797617654 is about 28242.1255219929. The cubic root of 797617654 is about 927.3953612794.

The spelling of 797617654 in words is "seven hundred ninety-seven million, six hundred seventeen thousand, six hundred fifty-four".