11908377766 has 8 divisors (see below), whose sum is σ = 17865830304. Its totient is φ = 5953101000.

The previous prime is 11908377763. The next prime is 11908377791. The reversal of 11908377766 is 66777380911.

11908377766 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11908377766² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11908377763) 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, 530190 + ... + 552193.

It is an arithmetic number, because the mean of its divisors is an integer number (2233228788).

Almost surely, 2^11908377766 is an apocalyptic number.

11908377766 is a deficient number, since it is larger than the sum of its proper divisors (5957452538).

11908377766 is a wasteful number, since it uses less digits than its factorization.

11908377766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087886.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 11908377766 in words is "eleven billion, nine hundred eight million, three hundred seventy-seven thousand, seven hundred sixty-six".