787670016 has 88 divisors (see below), whose sum is σ = 2399411520. Its totient is φ = 225042432.

The previous prime is 787669997. The next prime is 787670017. The reversal of 787670016 is 610076787.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 787670016.

It is not an unprimeable number, because it can be changed into a prime (787670017) 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, 3190 + ... + 39818.

It is an arithmetic number, because the mean of its divisors is an integer number (27266040).

Almost surely, 2^787670016 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 787670016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199705760).

787670016 is an abundant number, since it is smaller than the sum of its proper divisors (1611741504).

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

787670016 is a wasteful number, since it uses less digits than its factorization.

787670016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36659 (or 36641 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 787670016 is about 28065.4594831440. The cubic root of 787670016 is about 923.5238265390.

The spelling of 787670016 in words is "seven hundred eighty-seven million, six hundred seventy thousand, sixteen".