78882894 has 12 divisors (see below), whose sum is σ = 170912976. Its totient is φ = 26294292.

The previous prime is 78882863. The next prime is 78882899. The reversal of 78882894 is 49828887.

It is a super-4 number, since 4×78882894⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78882894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78882899) 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 5 ways as a sum of consecutive naturals, for example, 2191174 + ... + 2191209.

It is an arithmetic number, because the mean of its divisors is an integer number (14242748).

Almost surely, 2^78882894 is an apocalyptic number.

78882894 is an abundant number, since it is smaller than the sum of its proper divisors (92030082).

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

78882894 is a wasteful number, since it uses less digits than its factorization.

78882894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382391 (or 4382388 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 78882894 is about 8881.6042469815. The cubic root of 78882894 is about 428.8719196436.

The spelling of 78882894 in words is "seventy-eight million, eight hundred eighty-two thousand, eight hundred ninety-four".