5278400766 has 24 divisors (see below), whose sum is σ = 11462964240. Its totient is φ = 1755400896.

The previous prime is 5278400741. The next prime is 5278400779. The reversal of 5278400766 is 6670048725.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 330826 + ... + 346413.

It is an arithmetic number, because the mean of its divisors is an integer number (477623510).

Almost surely, 2^5278400766 is an apocalyptic number.

5278400766 is an abundant number, since it is smaller than the sum of its proper divisors (6184563474).

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

5278400766 is a wasteful number, since it uses less digits than its factorization.

5278400766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677680 (or 677677 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 5278400766 is about 72652.6032981613. The cubic root of 5278400766 is about 1741.1417140292.

The spelling of 5278400766 in words is "five billion, two hundred seventy-eight million, four hundred thousand, seven hundred sixty-six".