787862041819 has 4 divisors (see below), whose sum is σ = 788754298696. Its totient is φ = 786969784944.

The previous prime is 787862041787. The next prime is 787862041829. The reversal of 787862041819 is 918140268787.

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 787862041819 - 2⁵ = 787862041787 is a prime.

It is a super-2 number, since 2×787862041819² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787862041829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446127114 + ... + 446128879.

It is an arithmetic number, because the mean of its divisors is an integer number (197188574674).

Almost surely, 2^787862041819 is an apocalyptic number.

787862041819 is a deficient number, since it is larger than the sum of its proper divisors (892256877).

787862041819 is an equidigital number, since it uses as much as digits as its factorization.

787862041819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892256876.

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 787862041819 in words is "seven hundred eighty-seven billion, eight hundred sixty-two million, forty-one thousand, eight hundred nineteen".