248152978 has 8 divisors (see below), whose sum is σ = 394125372. Its totient is φ = 116777856.

The previous prime is 248152967. The next prime is 248152987. The reversal of 248152978 is 879251842.

It can be written as a sum of positive squares in 2 ways, for example, as 210047049 + 38105929 = 14493^2 + 6173^2 .

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

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, 3649275 + ... + 3649342.

Almost surely, 2^248152978 is an apocalyptic number.

248152978 is a deficient number, since it is larger than the sum of its proper divisors (145972394).

248152978 is a wasteful number, since it uses less digits than its factorization.

248152978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298636.

The product of its digits is 322560, while the sum is 46.

The square root of 248152978 is about 15752.8720555967. The cubic root of 248152978 is about 628.4052872934.

The spelling of 248152978 in words is "two hundred forty-eight million, one hundred fifty-two thousand, nine hundred seventy-eight".