248755390878 has 8 divisors (see below), whose sum is σ = 497510781768. Its totient is φ = 82918463624.

The previous prime is 248755390853. The next prime is 248755390889. The reversal of 248755390878 is 878093557842.

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

248755390878 is an admirable number.

It is a super-2 number, since 2×248755390878² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20729615901 + ... + 20729615912.

It is an arithmetic number, because the mean of its divisors is an integer number (62188847721).

Almost surely, 2^248755390878 is an apocalyptic number.

248755390878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248755390878 is a wasteful number, since it uses less digits than its factorization.

248755390878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41459231818.

The product of its (nonzero) digits is 135475200, while the sum is 66.

The spelling of 248755390878 in words is "two hundred forty-eight billion, seven hundred fifty-five million, three hundred ninety thousand, eight hundred seventy-eight".