814980943 has 4 divisors (see below), whose sum is σ = 931406800. Its totient is φ = 698555088.

The previous prime is 814980941. The next prime is 814980953. The reversal of 814980943 is 349089418.

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

It is not a de Polignac number, because 814980943 - 2¹ = 814980941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814980893 and 814980902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814980941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58212918 + ... + 58212931.

It is an arithmetic number, because the mean of its divisors is an integer number (232851700).

Almost surely, 2^814980943 is an apocalyptic number.

814980943 is a deficient number, since it is larger than the sum of its proper divisors (116425857).

814980943 is a wasteful number, since it uses less digits than its factorization.

814980943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116425856.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 814980943 is about 28547.8710764919. The cubic root of 814980943 is about 934.0765828653.

The spelling of 814980943 in words is "eight hundred fourteen million, nine hundred eighty thousand, nine hundred forty-three".