248982251779 has 4 divisors (see below), whose sum is σ = 262086580840. Its totient is φ = 235877922720.

The previous prime is 248982251773. The next prime is 248982251783. The reversal of 248982251779 is 977152289842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248982251779 - 2¹⁷ = 248982120707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248982251779.

It is not an unprimeable number, because it can be changed into a prime (248982251773) 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, 6552164502 + ... + 6552164539.

It is an arithmetic number, because the mean of its divisors is an integer number (65521645210).

Almost surely, 2^248982251779 is an apocalyptic number.

248982251779 is a deficient number, since it is larger than the sum of its proper divisors (13104329061).

248982251779 is a wasteful number, since it uses less digits than its factorization.

248982251779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104329060.

The product of its digits is 40642560, while the sum is 64.

The spelling of 248982251779 in words is "two hundred forty-eight billion, nine hundred eighty-two million, two hundred fifty-one thousand, seven hundred seventy-nine".