782145740387 has 8 divisors (see below), whose sum is σ = 853257028800. Its totient is φ = 711035640360.

The previous prime is 782145740381. The next prime is 782145740429. The reversal of 782145740387 is 783047541287.

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 782145740387 - 2⁶ = 782145740323 is a prime.

It is a super-2 number, since 2×782145740387² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782145740381) 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, 1613048 + ... + 2041130.

It is an arithmetic number, because the mean of its divisors is an integer number (106657128600).

Almost surely, 2^782145740387 is an apocalyptic number.

782145740387 is a deficient number, since it is larger than the sum of its proper divisors (71111288413).

782145740387 is a wasteful number, since it uses less digits than its factorization.

782145740387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594193.

The product of its (nonzero) digits is 10536960, while the sum is 56.

Subtracting 782145740387 from its reverse (783047541287), we obtain a square (901800900 = 30030²).

The spelling of 782145740387 in words is "seven hundred eighty-two billion, one hundred forty-five million, seven hundred forty thousand, three hundred eighty-seven".