787330980 has 72 divisors (see below), whose sum is σ = 2410207800. Its totient is φ = 208023552.

The previous prime is 787330961. The next prime is 787330993. The reversal of 787330980 is 89033787.

It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 782768484 = 2136^2 + 27978^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445 + ... + 39684.

Almost surely, 2^787330980 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 787330980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205103900).

787330980 is an abundant number, since it is smaller than the sum of its proper divisors (1622876820).

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

787330980 is a wasteful number, since it uses less digits than its factorization.

787330980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40253 (or 40248 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 787330980 is about 28059.4187395249. The cubic root of 787330980 is about 923.3913037177.

The spelling of 787330980 in words is "seven hundred eighty-seven million, three hundred thirty thousand, nine hundred eighty".