781232463 has 12 divisors (see below), whose sum is σ = 1231033128. Its totient is φ = 473474160.

The previous prime is 781232447. The next prime is 781232503. The reversal of 781232463 is 364232187.

It is a happy number.

781232463 is a `hidden beast` number, since 78 + 123 + 2 + 463 = 666.

781232463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 781232463 - 2⁴ = 781232447 is a prime.

It is a super-2 number, since 2×781232463² = 1220648322490092738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (781232863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3945520 + ... + 3945717.

It is an arithmetic number, because the mean of its divisors is an integer number (102586094).

Almost surely, 2^781232463 is an apocalyptic number.

781232463 is a deficient number, since it is larger than the sum of its proper divisors (449800665).

781232463 is a wasteful number, since it uses less digits than its factorization.

781232463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891254 (or 7891251 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 781232463 is about 27950.5360055939. The cubic root of 781232463 is about 921.0009832101. Note that the first 3 decimals are identical.

The spelling of 781232463 in words is "seven hundred eighty-one million, two hundred thirty-two thousand, four hundred sixty-three".