814980893 has 4 divisors (see below), whose sum is σ = 832320960. Its totient is φ = 797640828.

The previous prime is 814980883. The next prime is 814980899. The reversal of 814980893 is 398089418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 814980893 - 2⁸ = 814980637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814980899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8669963 + ... + 8670056.

It is an arithmetic number, because the mean of its divisors is an integer number (208080240).

Almost surely, 2^814980893 is an apocalyptic number.

It is an amenable number.

814980893 is a deficient number, since it is larger than the sum of its proper divisors (17340067).

814980893 is a wasteful number, since it uses less digits than its factorization.

814980893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17340066.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 814980893 is about 28547.8702007698. The cubic root of 814980893 is about 934.0765637630.

The spelling of 814980893 in words is "eight hundred fourteen million, nine hundred eighty thousand, eight hundred ninety-three".