787351860 has 192 divisors, whose sum is σ = 2541853440. Its totient is φ = 202176000.

The previous prime is 787351781. The next prime is 787351883. The reversal of 787351860 is 68153787.

787351860 is a `hidden beast` number, since 7 + 8 + 73 + 518 + 60 = 666.

787351860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3136735 + ... + 3136985.

It is an arithmetic number, because the mean of its divisors is an integer number (13238820).

Almost surely, 2^787351860 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 787351860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270926720).

787351860 is an abundant number, since it is smaller than the sum of its proper divisors (1754501580).

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

787351860 is a wasteful number, since it uses less digits than its factorization.

787351860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 787351860 is about 28059.7908046372. The cubic root of 787351860 is about 923.3994664178.

The spelling of 787351860 in words is "seven hundred eighty-seven million, three hundred fifty-one thousand, eight hundred sixty".