782870827311 has 48 divisors (see below), whose sum is σ = 1209536040960. Its totient is φ = 486795640320.

The previous prime is 782870827309. The next prime is 782870827331. The reversal of 782870827311 is 113728078287.

It is not a de Polignac number, because 782870827311 - 2¹ = 782870827309 is a prime.

It is a super-2 number, since 2×782870827311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782870827331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2488095 + ... + 2785023.

It is an arithmetic number, because the mean of its divisors is an integer number (25198667520).

Almost surely, 2^782870827311 is an apocalyptic number.

782870827311 is a deficient number, since it is larger than the sum of its proper divisors (426665213649).

782870827311 is a wasteful number, since it uses less digits than its factorization.

782870827311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297276 (or 297273 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 782870827311 in words is "seven hundred eighty-two billion, eight hundred seventy million, eight hundred twenty-seven thousand, three hundred eleven".