78582988 has 12 divisors (see below), whose sum is σ = 150022152. Its totient is φ = 35719520.

The previous prime is 78582947. The next prime is 78583009. The reversal of 78582988 is 88928587.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 892945 + ... + 893032.

It is an arithmetic number, because the mean of its divisors is an integer number (12501846).

Almost surely, 2^78582988 is an apocalyptic number.

It is an amenable number.

78582988 is a deficient number, since it is larger than the sum of its proper divisors (71439164).

78582988 is a wasteful number, since it uses less digits than its factorization.

78582988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785992 (or 1785990 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The square root of 78582988 is about 8864.7046200085. The cubic root of 78582988 is about 428.3277179674.

The spelling of 78582988 in words is "seventy-eight million, five hundred eighty-two thousand, nine hundred eighty-eight".