88886666668778 has 16 divisors (see below), whose sum is σ = 145465558551360. Its totient is φ = 40398961010400.

The previous prime is 88886666668777. The next prime is 88886666668799. The reversal of 88886666668778 is 87786666668888.

It is a super-2 number, since 2×88886666668778² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88886666668777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203241278 + ... + 203678153.

It is an arithmetic number, because the mean of its divisors is an integer number (9091597409460).

Almost surely, 2^{88886666668778} is an apocalyptic number.

88886666668778 is a deficient number, since it is larger than the sum of its proper divisors (56578891882582).

88886666668778 is a wasteful number, since it uses less digits than its factorization.

88886666668778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406929373.

The product of its digits is 599298932736, while the sum is 98.

The spelling of 88886666668778 in words is "eighty-eight trillion, eight hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, seven hundred seventy-eight".