63120078 has 24 divisors (see below), whose sum is σ = 156297648. Its totient is φ = 18034272.

The previous prime is 63120077. The next prime is 63120091. The reversal of 63120078 is 87002136.

63120078 is a `hidden beast` number, since 631 + 20 + 0 + 7 + 8 = 666.

63120078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63120077) 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 11 ways as a sum of consecutive naturals, for example, 250351 + ... + 250602.

It is an arithmetic number, because the mean of its divisors is an integer number (6512402).

Almost surely, 2^63120078 is an apocalyptic number.

63120078 is an abundant number, since it is smaller than the sum of its proper divisors (93177570).

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

63120078 is a wasteful number, since it uses less digits than its factorization.

63120078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500968 (or 500965 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 63120078 is about 7944.8145352802. The cubic root of 63120078 is about 398.1583631134.

The spelling of 63120078 in words is "sixty-three million, one hundred twenty thousand, seventy-eight".