781350420880612 has 48 divisors (see below), whose sum is σ = 1491896246762880. Its totient is φ = 355105176249600.

The previous prime is 781350420880607. The next prime is 781350420880619. The reversal of 781350420880612 is 216088024053187.

It is a super-3 number, since 3×781350420880612³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (781350420880619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15006031714 + ... + 15006083782.

It is an arithmetic number, because the mean of its divisors is an integer number (31081171807560).

Almost surely, 2^{781350420880612} is an apocalyptic number.

It is an amenable number.

781350420880612 is a deficient number, since it is larger than the sum of its proper divisors (710545825882268).

781350420880612 is a wasteful number, since it uses less digits than its factorization.

781350420880612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97492 (or 97490 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 781350420880612 in words is "seven hundred eighty-one trillion, three hundred fifty billion, four hundred twenty million, eight hundred eighty thousand, six hundred twelve".