248540678 has 8 divisors (see below), whose sum is σ = 377302968. Its totient is φ = 122773024.

The previous prime is 248540639. The next prime is 248540687. The reversal of 248540678 is 876045842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748451 + ... + 748782.

It is an arithmetic number, because the mean of its divisors is an integer number (47162871).

Almost surely, 2^248540678 is an apocalyptic number.

248540678 is a deficient number, since it is larger than the sum of its proper divisors (128762290).

248540678 is a wasteful number, since it uses less digits than its factorization.

248540678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497318.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 248540678 is about 15765.1729454516. The cubic root of 248540678 is about 628.7323784861.

The spelling of 248540678 in words is "two hundred forty-eight million, five hundred forty thousand, six hundred seventy-eight".