787938966 has 48 divisors (see below), whose sum is σ = 1803310080. Its totient is φ = 248255280.

The previous prime is 787938947. The next prime is 787938971. The reversal of 787938966 is 669839787.

It is a happy number.

It is a super-2 number, since 2×787938966² = 1241695628282298312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7575 + ... + 40413.

It is an arithmetic number, because the mean of its divisors is an integer number (37568960).

Almost surely, 2^787938966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787938966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901655040).

787938966 is an abundant number, since it is smaller than the sum of its proper divisors (1015371114).

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

787938966 is a wasteful number, since it uses less digits than its factorization.

787938966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32921 (or 32918 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 787938966 is about 28070.2505510727. The cubic root of 787938966 is about 923.6289270098.

The spelling of 787938966 in words is "seven hundred eighty-seven million, nine hundred thirty-eight thousand, nine hundred sixty-six".