11938777000 has 64 divisors (see below), whose sum is σ = 29580117840. Its totient is φ = 4494592000.

The previous prime is 11938776991. The next prime is 11938777001. The reversal of 11938777000 is 77783911.

It can be written as a sum of positive squares in 8 ways, for example, as 4088484 + 11934688516 = 2022^2 + 109246^2 .

It is not an unprimeable number, because it can be changed into a prime (11938777001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334141 + ... + 368140.

Almost surely, 2^11938777000 is an apocalyptic number.

11938777000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11938777000 is an abundant number, since it is smaller than the sum of its proper divisors (17641340840).

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

11938777000 is a wasteful number, since it uses less digits than its factorization.

11938777000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702319 (or 702305 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 43.

The spelling of 11938777000 in words is "eleven billion, nine hundred thirty-eight million, seven hundred seventy-seven thousand".