787142672843 has 4 divisors (see below), whose sum is σ = 787145230920. Its totient is φ = 787140114768.

The previous prime is 787142672837. The next prime is 787142672923. The reversal of 787142672843 is 348276241787.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 787142672843 - 2³² = 782847705547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787142672803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742433 + ... + 1457906.

It is an arithmetic number, because the mean of its divisors is an integer number (196786307730).

Almost surely, 2^787142672843 is an apocalyptic number.

787142672843 is a deficient number, since it is larger than the sum of its proper divisors (2558077).

787142672843 is a wasteful number, since it uses less digits than its factorization.

787142672843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558076.

The product of its digits is 25288704, while the sum is 59.

The spelling of 787142672843 in words is "seven hundred eighty-seven billion, one hundred forty-two million, six hundred seventy-two thousand, eight hundred forty-three".