78650882 has 6 divisors (see below), whose sum is σ = 117995139. Its totient is φ = 39319170.

The previous prime is 78650879. The next prime is 78650893. The reversal of 78650882 is 28805687.

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 39325441 = 6271^2 + 6271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6271.

It is a super-2 number, since 2×78650882² = 12371922478755848, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9407 + ... + 15677.

Almost surely, 2^78650882 is an apocalyptic number.

78650882 is a deficient number, since it is larger than the sum of its proper divisors (39344257).

78650882 is an frugal number, since it uses more digits than its factorization.

78650882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12544 (or 6273 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 78650882 is about 8868.5332496417. The cubic root of 78650882 is about 428.4510377501.

The spelling of 78650882 in words is "seventy-eight million, six hundred fifty thousand, eight hundred eighty-two".