782706042138 has 32 divisors (see below), whose sum is σ = 1622385336960. Its totient is φ = 251439733440.

The previous prime is 782706042137. The next prime is 782706042161. The reversal of 782706042138 is 831240607287.

It is a super-2 number, since 2×782706042138² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782706042137) 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, 4063270 + ... + 4251537.

It is an arithmetic number, because the mean of its divisors is an integer number (50699541780).

Almost surely, 2^782706042138 is an apocalyptic number.

782706042138 is an abundant number, since it is smaller than the sum of its proper divisors (839679294822).

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

782706042138 is a wasteful number, since it uses less digits than its factorization.

782706042138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315382.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 782706042138 in words is "seven hundred eighty-two billion, seven hundred six million, forty-two thousand, one hundred thirty-eight".