78049588 has 12 divisors (see below), whose sum is σ = 136864000. Its totient is φ = 38945592.

The previous prime is 78049577. The next prime is 78049597. The reversal of 78049588 is 88594087.

It is a congruent number.

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, 17556 + ... + 21547.

Almost surely, 2^78049588 is an apocalyptic number.

It is an amenable number.

78049588 is a deficient number, since it is larger than the sum of its proper divisors (58814412).

78049588 is a wasteful number, since it uses less digits than its factorization.

78049588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39606 (or 39604 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 78049588 is about 8834.5677879566. The cubic root of 78049588 is about 427.3563928346.

The spelling of 78049588 in words is "seventy-eight million, forty-nine thousand, five hundred eighty-eight".