78884463 has 24 divisors (see below), whose sum is σ = 123275952. Its totient is φ = 44736384.

The previous prime is 78884461. The next prime is 78884473. The reversal of 78884463 is 36448887.

It is not a de Polignac number, because 78884463 - 2¹ = 78884461 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884461) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18181 + ... + 22097.

It is an arithmetic number, because the mean of its divisors is an integer number (5136498).

Almost surely, 2^78884463 is an apocalyptic number.

78884463 is a deficient number, since it is larger than the sum of its proper divisors (44391489).

78884463 is a wasteful number, since it uses less digits than its factorization.

78884463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4064 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 78884463 is about 8881.6925751796. The cubic root of 78884463 is about 428.8747630805.

The spelling of 78884463 in words is "seventy-eight million, eight hundred eighty-four thousand, four hundred sixty-three".