78854648 has 16 divisors (see below), whose sum is σ = 149635080. Its totient is φ = 38951968.

The previous prime is 78854627. The next prime is 78854651. The reversal of 78854648 is 84645887.

It is a super-2 number, since 2×78854648² = 12436111022407808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78854596 and 78854605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58715 + ... + 60042.

Almost surely, 2^78854648 is an apocalyptic number.

It is an amenable number.

78854648 is a deficient number, since it is larger than the sum of its proper divisors (70780432).

78854648 is a wasteful number, since it uses less digits than its factorization.

78854648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118846 (or 118842 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 78854648 is about 8880.0139639530. The cubic root of 78854648 is about 428.8207240810.

The spelling of 78854648 in words is "seventy-eight million, eight hundred fifty-four thousand, six hundred forty-eight".