486780781 has 8 divisors (see below), whose sum is σ = 492063104. Its totient is φ = 481509360.

The previous prime is 486780773. The next prime is 486780787. The reversal of 486780781 is 187087684.

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

It is a cyclic number.

It is not a de Polignac number, because 486780781 - 2³ = 486780773 is a prime.

It is a super-2 number, since 2×486780781² = 473911057501939922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486780787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112936 + ... + 117166.

It is an arithmetic number, because the mean of its divisors is an integer number (61507888).

Almost surely, 2^486780781 is an apocalyptic number.

It is an amenable number.

486780781 is a deficient number, since it is larger than the sum of its proper divisors (5282323).

486780781 is a wasteful number, since it uses less digits than its factorization.

486780781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451.

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 486780781 is about 22063.1090510834. The cubic root of 486780781 is about 786.6432269621.

The spelling of 486780781 in words is "four hundred eighty-six million, seven hundred eighty thousand, seven hundred eighty-one".