807481489 has 4 divisors (see below), whose sum is σ = 807554160. Its totient is φ = 807408820.

The previous prime is 807481463. The next prime is 807481523. The reversal of 807481489 is 984184708.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 807481489 - 2⁵ = 807481457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807481189) 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, 15799 + ... + 43180.

It is an arithmetic number, because the mean of its divisors is an integer number (201888540).

Almost surely, 2^807481489 is an apocalyptic number.

It is an amenable number.

807481489 is a deficient number, since it is larger than the sum of its proper divisors (72671).

807481489 is a wasteful number, since it uses less digits than its factorization.

807481489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72670.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 807481489 is about 28416.2187667536. The cubic root of 807481489 is about 931.2026253755.

The spelling of 807481489 in words is "eight hundred seven million, four hundred eighty-one thousand, four hundred eighty-nine".