11778248087 has 8 divisors (see below), whose sum is σ = 11796192000. Its totient is φ = 11760320224.

The previous prime is 11778248071. The next prime is 11778248099. The reversal of 11778248087 is 78084287711.

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 11778248087 - 2⁴ = 11778248071 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 (11778248047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451914 + ... + 2456712.

It is an arithmetic number, because the mean of its divisors is an integer number (1474524000).

Almost surely, 2^11778248087 is an apocalyptic number.

11778248087 is a deficient number, since it is larger than the sum of its proper divisors (17943913).

11778248087 is a wasteful number, since it uses less digits than its factorization.

11778248087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 1404928, while the sum is 53.

The spelling of 11778248087 in words is "eleven billion, seven hundred seventy-eight million, two hundred forty-eight thousand, eighty-seven".