781468082 has 8 divisors (see below), whose sum is σ = 1173782016. Its totient is φ = 390207412.

The previous prime is 781468073. The next prime is 781468091. The reversal of 781468082 is 280864187.

It is an interprime number because it is at equal distance from previous prime (781468073) and next prime (781468091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×781468082² = 1221384726369517448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261458 + ... + 264429.

It is an arithmetic number, because the mean of its divisors is an integer number (146722752).

Almost surely, 2^781468082 is an apocalyptic number.

781468082 is a deficient number, since it is larger than the sum of its proper divisors (392313934).

781468082 is a wasteful number, since it uses less digits than its factorization.

781468082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526632.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 781468082 is about 27954.7506159508. The cubic root of 781468082 is about 921.0935649227.

The spelling of 781468082 in words is "seven hundred eighty-one million, four hundred sixty-eight thousand, eighty-two".