783327408481 has 4 divisors (see below), whose sum is σ = 783852076692. Its totient is φ = 782802740272.

The previous prime is 783327408431. The next prime is 783327408497. The reversal of 783327408481 is 184804723387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184804723387 = 74203 ⋅2490529.

It can be written as a sum of positive squares in 2 ways, for example, as 633113027856 + 150214380625 = 795684^2 + 387575^2 .

It is a cyclic number.

It is not a de Polignac number, because 783327408481 - 2¹⁷ = 783327277409 is a prime.

It is a super-2 number, since 2×783327408481² (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 (783327408431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262331866 + ... + 262334851.

It is an arithmetic number, because the mean of its divisors is an integer number (195963019173).

Almost surely, 2^783327408481 is an apocalyptic number.

It is an amenable number.

783327408481 is a deficient number, since it is larger than the sum of its proper divisors (524668211).

783327408481 is a wasteful number, since it uses less digits than its factorization.

783327408481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524668210.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 783327408481 in words is "seven hundred eighty-three billion, three hundred twenty-seven million, four hundred eight thousand, four hundred eighty-one".