820898714 has 4 divisors (see below), whose sum is σ = 1231348074. Its totient is φ = 410449356.

The previous prime is 820898699. The next prime is 820898731. The reversal of 820898714 is 417898028.

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., 800041225 + 20857489 = 28285^2 + 4567^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205224677 + ... + 205224680.

Almost surely, 2^820898714 is an apocalyptic number.

820898714 is a deficient number, since it is larger than the sum of its proper divisors (410449360).

820898714 is a wasteful number, since it uses less digits than its factorization.

820898714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410449359.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 820898714 is about 28651.3300563866. The cubic root of 820898714 is about 936.3319835897.

The spelling of 820898714 in words is "eight hundred twenty million, eight hundred ninety-eight thousand, seven hundred fourteen".