11887858783 has 4 divisors (see below), whose sum is σ = 12021430320. Its totient is φ = 11754287248.

The previous prime is 11887858781. The next prime is 11887858799. The reversal of 11887858783 is 38785878811.

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 11887858783 - 2¹ = 11887858781 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 (11887858781) 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, 66785635 + ... + 66785812.

It is an arithmetic number, because the mean of its divisors is an integer number (3005357580).

Almost surely, 2^11887858783 is an apocalyptic number.

11887858783 is a deficient number, since it is larger than the sum of its proper divisors (133571537).

11887858783 is an equidigital number, since it uses as much as digits as its factorization.

11887858783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133571536.

The product of its digits is 24084480, while the sum is 64.

The spelling of 11887858783 in words is "eleven billion, eight hundred eighty-seven million, eight hundred fifty-eight thousand, seven hundred eighty-three".