78766058 has 32 divisors (see below), whose sum is σ = 142780800. Its totient is φ = 31834944.

The previous prime is 78766033. The next prime is 78766063. The reversal of 78766058 is 85066787.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73148 + ... + 74216.

It is an arithmetic number, because the mean of its divisors is an integer number (4461900).

Almost surely, 2^78766058 is an apocalyptic number.

78766058 is a deficient number, since it is larger than the sum of its proper divisors (64014742).

78766058 is a wasteful number, since it uses less digits than its factorization.

78766058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 78766058 is about 8875.0243943327. The cubic root of 78766058 is about 428.6600763397.

The spelling of 78766058 in words is "seventy-eight million, seven hundred sixty-six thousand, fifty-eight".