248787865405 has 8 divisors (see below), whose sum is σ = 298816111872. Its totient is φ = 198849843408.

The previous prime is 248787865387. The next prime is 248787865409. The reversal of 248787865405 is 504568787842.

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

It is a cyclic number.

It is not a de Polignac number, because 248787865405 - 2³⁵ = 214428127037 is a prime.

It is a super-3 number, since 3×248787865405³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248787865409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22550049 + ... + 22561078.

It is an arithmetic number, because the mean of its divisors is an integer number (37352013984).

Almost surely, 2^248787865405 is an apocalyptic number.

It is an amenable number.

248787865405 is a deficient number, since it is larger than the sum of its proper divisors (50028246467).

248787865405 is a wasteful number, since it uses less digits than its factorization.

248787865405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45112235.

The product of its (nonzero) digits is 120422400, while the sum is 64.

The spelling of 248787865405 in words is "two hundred forty-eight billion, seven hundred eighty-seven million, eight hundred sixty-five thousand, four hundred five".