787445669140 has 96 divisors (see below), whose sum is σ = 1823116014720. Its totient is φ = 283853154816.

The previous prime is 787445669111. The next prime is 787445669141. The reversal of 787445669140 is 41966544787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787445669141) 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 31 ways as a sum of consecutive naturals, for example, 25329526 + ... + 25360594.

It is an arithmetic number, because the mean of its divisors is an integer number (18990791820).

Almost surely, 2^787445669140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787445669140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911558007360).

787445669140 is an abundant number, since it is smaller than the sum of its proper divisors (1035670345580).

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

787445669140 is a wasteful number, since it uses less digits than its factorization.

787445669140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33401 (or 33399 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 787445669140 in words is "seven hundred eighty-seven billion, four hundred forty-five million, six hundred sixty-nine thousand, one hundred forty".