248776660 has 24 divisors (see below), whose sum is σ = 569925216. Its totient is φ = 90464160.

The previous prime is 248776639. The next prime is 248776667. The reversal of 248776660 is 66677842.

248776660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 248776660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248776667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565182 + ... + 565621.

It is an arithmetic number, because the mean of its divisors is an integer number (23746884).

Almost surely, 2^248776660 is an apocalyptic number.

248776660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248776660 is an abundant number, since it is smaller than the sum of its proper divisors (321148556).

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

248776660 is a wasteful number, since it uses less digits than its factorization.

248776660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130823 (or 1130821 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 248776660 is about 15772.6554517621. The cubic root of 248776660 is about 628.9313031217.

The spelling of 248776660 in words is "two hundred forty-eight million, seven hundred seventy-six thousand, six hundred sixty".