787051520 has 88 divisors (see below), whose sum is σ = 1897716384. Its totient is φ = 313204736.

The previous prime is 787051511. The next prime is 787051523. The reversal of 787051520 is 25150787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787051523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776419 + ... + 1776861.

Almost surely, 2^787051520 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 787051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948858192).

787051520 is an abundant number, since it is smaller than the sum of its proper divisors (1110664864).

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

787051520 is a wasteful number, since it uses less digits than its factorization.

787051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 787051520 is about 28054.4385080151. The cubic root of 787051520 is about 923.2820394321.

The spelling of 787051520 in words is "seven hundred eighty-seven million, fifty-one thousand, five hundred twenty".