248770478687 has 16 divisors (see below), whose sum is σ = 266633633280. Its totient is φ = 231496084512.

The previous prime is 248770478603. The next prime is 248770478699. The reversal of 248770478687 is 786874077842.

It is a cyclic number.

It is not a de Polignac number, because 248770478687 - 2²⁰ = 248769430111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248770498687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14253188 + ... + 14270630.

It is an arithmetic number, because the mean of its divisors is an integer number (16664602080).

Almost surely, 2^248770478687 is an apocalyptic number.

248770478687 is a deficient number, since it is larger than the sum of its proper divisors (17863154593).

248770478687 is a wasteful number, since it uses less digits than its factorization.

248770478687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34262.

The product of its (nonzero) digits is 236027904, while the sum is 68.

The spelling of 248770478687 in words is "two hundred forty-eight billion, seven hundred seventy million, four hundred seventy-eight thousand, six hundred eighty-seven".