117766404866 has 32 divisors (see below), whose sum is σ = 200242630656. Its totient is φ = 51460290000.

The previous prime is 117766404863. The next prime is 117766404887. The reversal of 117766404866 is 668404667711.

It is a super-2 number, since 2×117766404866² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117766404863) 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, 468800 + ... + 674763.

It is an arithmetic number, because the mean of its divisors is an integer number (6257582208).

Almost surely, 2^117766404866 is an apocalyptic number.

117766404866 is a deficient number, since it is larger than the sum of its proper divisors (82476225790).

117766404866 is a wasteful number, since it uses less digits than its factorization.

117766404866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143758.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 117766404866 in words is "one hundred seventeen billion, seven hundred sixty-six million, four hundred four thousand, eight hundred sixty-six".