11777457406 has 32 divisors (see below), whose sum is σ = 20813653728. Its totient is φ = 4927549440.

The previous prime is 11777457317. The next prime is 11777457407. The reversal of 11777457406 is 60475477711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11777457406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777457407) 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, 42630 + ... + 159286.

It is an arithmetic number, because the mean of its divisors is an integer number (650426679).

Almost surely, 2^11777457406 is an apocalyptic number.

11777457406 is a deficient number, since it is larger than the sum of its proper divisors (9036196322).

11777457406 is a wasteful number, since it uses less digits than its factorization.

11777457406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117036.

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 11777457406 in words is "eleven billion, seven hundred seventy-seven million, four hundred fifty-seven thousand, four hundred six".