78063146 has 64 divisors (see below), whose sum is σ = 145981440. Its totient is φ = 30602880.

The previous prime is 78063137. The next prime is 78063149. The reversal of 78063146 is 64136087.

It is not an unprimeable number, because it can be changed into a prime (78063149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877070 + ... + 877158.

It is an arithmetic number, because the mean of its divisors is an integer number (2280960).

Almost surely, 2^78063146 is an apocalyptic number.

78063146 is a deficient number, since it is larger than the sum of its proper divisors (67918294).

78063146 is a wasteful number, since it uses less digits than its factorization.

78063146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 78063146 is about 8835.3350813651. The cubic root of 78063146 is about 427.3811367727.

The spelling of 78063146 in words is "seventy-eight million, sixty-three thousand, one hundred forty-six".