248642678 has 8 divisors (see below), whose sum is σ = 373031040. Its totient is φ = 124299000.

The previous prime is 248642671. The next prime is 248642699. The reversal of 248642678 is 876246842.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248642671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15083 + ... + 26921.

It is an arithmetic number, because the mean of its divisors is an integer number (46628880).

Almost surely, 2^248642678 is an apocalyptic number.

248642678 is a deficient number, since it is larger than the sum of its proper divisors (124388362).

248642678 is a wasteful number, since it uses less digits than its factorization.

248642678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22342.

The product of its digits is 1032192, while the sum is 47.

The square root of 248642678 is about 15768.4075923982. The cubic root of 248642678 is about 628.8183763894.

The spelling of 248642678 in words is "two hundred forty-eight million, six hundred forty-two thousand, six hundred seventy-eight".