797927146 has 4 divisors (see below), whose sum is σ = 1196890722. Its totient is φ = 398963572.

The previous prime is 797927129. The next prime is 797927159. The reversal of 797927146 is 641729797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 758727025 + 39200121 = 27545^2 + 6261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 797927093 and 797927102.

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 as a sum of consecutive naturals, namely, 199481785 + ... + 199481788.

Almost surely, 2^797927146 is an apocalyptic number.

797927146 is a deficient number, since it is larger than the sum of its proper divisors (398963576).

797927146 is a wasteful number, since it uses less digits than its factorization.

797927146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398963575.

The product of its digits is 1333584, while the sum is 52.

The square root of 797927146 is about 28247.6042523963. The cubic root of 797927146 is about 927.5152952387.

The spelling of 797927146 in words is "seven hundred ninety-seven million, nine hundred twenty-seven thousand, one hundred forty-six".