787979016 has 224 divisors, whose sum is σ = 2464758720. Its totient is φ = 234057600.

The previous prime is 787978969. The next prime is 787979021. The reversal of 787979016 is 610979787.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4554706 + ... + 4554878.

Almost surely, 2^787979016 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 787979016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232379360).

787979016 is an abundant number, since it is smaller than the sum of its proper divisors (1676779704).

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

787979016 is a wasteful number, since it uses less digits than its factorization.

787979016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 787979016 is about 28070.9639307239. The cubic root of 787979016 is about 923.6445757311.

The spelling of 787979016 in words is "seven hundred eighty-seven million, nine hundred seventy-nine thousand, sixteen".