264478078 has 16 divisors (see below), whose sum is σ = 426326544. Its totient is φ = 122601600.

The previous prime is 264478073. The next prime is 264478087. The reversal of 264478078 is 870874462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264478073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55773 + ... + 60328.

It is an arithmetic number, because the mean of its divisors is an integer number (26645409).

Almost surely, 2^264478078 is an apocalyptic number.

264478078 is a deficient number, since it is larger than the sum of its proper divisors (161848466).

264478078 is a wasteful number, since it uses less digits than its factorization.

264478078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116187.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 264478078 is about 16262.7819883315. The cubic root of 264478078 is about 641.8938677376.

The spelling of 264478078 in words is "two hundred sixty-four million, four hundred seventy-eight thousand, seventy-eight".