787388116439 has 4 divisors (see below), whose sum is σ = 787391657424. Its totient is φ = 787384575456.

The previous prime is 787388116381. The next prime is 787388116451. The reversal of 787388116439 is 934611883787.

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 787388116439 - 2³² = 783093149143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787388116499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412867 + ... + 1889700.

It is an arithmetic number, because the mean of its divisors is an integer number (196847914356).

Almost surely, 2^787388116439 is an apocalyptic number.

787388116439 is a deficient number, since it is larger than the sum of its proper divisors (3540985).

787388116439 is a wasteful number, since it uses less digits than its factorization.

787388116439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540984.

The product of its digits is 48771072, while the sum is 65.

The spelling of 787388116439 in words is "seven hundred eighty-seven billion, three hundred eighty-eight million, one hundred sixteen thousand, four hundred thirty-nine".