368806818777 has 16 divisors (see below), whose sum is σ = 502273861632. Its totient is φ = 240606928400.

The previous prime is 368806818763. The next prime is 368806818797. The reversal of 368806818777 is 777818608863.

It is a cyclic number.

It is not a de Polignac number, because 368806818777 - 2¹⁴ = 368806802393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368806818797) 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, 875068 + ... + 1226114.

It is an arithmetic number, because the mean of its divisors is an integer number (31392116352).

Almost surely, 2^368806818777 is an apocalyptic number.

It is an amenable number.

368806818777 is a deficient number, since it is larger than the sum of its proper divisors (133467042855).

368806818777 is a wasteful number, since it uses less digits than its factorization.

368806818777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358548.

The product of its (nonzero) digits is 151732224, while the sum is 69.

The spelling of 368806818777 in words is "three hundred sixty-eight billion, eight hundred six million, eight hundred eighteen thousand, seven hundred seventy-seven".