782040780481 has 8 divisors (see below), whose sum is σ = 807828940800. Its totient is φ = 756287685120.

The previous prime is 782040780461. The next prime is 782040780503. The reversal of 782040780481 is 184087040287.

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 782040780481 - 2¹⁷ = 782040649409 is a prime.

It is a super-2 number, since 2×782040780481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (782040780401) 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, 8720896 + ... + 8810113.

It is an arithmetic number, because the mean of its divisors is an integer number (100978617600).

Almost surely, 2^782040780481 is an apocalyptic number.

It is an amenable number.

782040780481 is a deficient number, since it is larger than the sum of its proper divisors (25788160319).

782040780481 is a wasteful number, since it uses less digits than its factorization.

782040780481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532479.

The product of its (nonzero) digits is 802816, while the sum is 49.

The spelling of 782040780481 in words is "seven hundred eighty-two billion, forty million, seven hundred eighty thousand, four hundred eighty-one".