782857264542 has 16 divisors (see below), whose sum is σ = 1657815383952. Its totient is φ = 245602279040.

The previous prime is 782857264451. The next prime is 782857264603. The reversal of 782857264542 is 245462758287.

It is a happy number.

It is a super-2 number, since 2×782857264542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837535509 + ... + 3837535712.

It is an arithmetic number, because the mean of its divisors is an integer number (103613461497).

Almost surely, 2^782857264542 is an apocalyptic number.

782857264542 is an abundant number, since it is smaller than the sum of its proper divisors (874958119410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

782857264542 is a wasteful number, since it uses less digits than its factorization.

782857264542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675071243.

The product of its digits is 60211200, while the sum is 60.

The spelling of 782857264542 in words is "seven hundred eighty-two billion, eight hundred fifty-seven million, two hundred sixty-four thousand, five hundred forty-two".