782860823081 has 8 divisors (see below), whose sum is σ = 783944100960. Its totient is φ = 781777771488.

The previous prime is 782860822973. The next prime is 782860823119. The reversal of 782860823081 is 180328068287.

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 782860823081 - 2²² = 782856628777 is a prime.

It is a super-2 number, since 2×782860823081² (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 (782860823881) 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, 7573910 + ... + 7676576.

It is an arithmetic number, because the mean of its divisors is an integer number (97993012620).

Almost surely, 2^782860823081 is an apocalyptic number.

It is an amenable number.

782860823081 is a deficient number, since it is larger than the sum of its proper divisors (1083277879).

782860823081 is a wasteful number, since it uses less digits than its factorization.

782860823081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113143.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 782860823081 in words is "seven hundred eighty-two billion, eight hundred sixty million, eight hundred twenty-three thousand, eighty-one".