780461087 has 8 divisors (see below), whose sum is σ = 894183072. Its totient is φ = 667296000.

The previous prime is 780461069. The next prime is 780461089. The reversal of 780461087 is 780164087.

780461087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 780461087 - 2¹² = 780456991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780461089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136214 + ... + 141827.

It is an arithmetic number, because the mean of its divisors is an integer number (111772884).

Almost surely, 2^780461087 is an apocalyptic number.

780461087 is a deficient number, since it is larger than the sum of its proper divisors (113721985).

780461087 is a wasteful number, since it uses less digits than its factorization.

780461087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278449.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 780461087 is about 27936.7336494444. The cubic root of 780461087 is about 920.6977563468.

The spelling of 780461087 in words is "seven hundred eighty million, four hundred sixty-one thousand, eighty-seven".