104631888178 has 4 divisors (see below), whose sum is σ = 156947832270. Its totient is φ = 52315944088.

The previous prime is 104631888173. The next prime is 104631888187. The reversal of 104631888178 is 871888136401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 871888136401 = 2011 ⋅433559491.

It can be written as a sum of positive squares in only one way, i.e., 97927062489 + 6704825689 = 312933^2 + 81883^2 .

It is not an unprimeable number, because it can be changed into a prime (104631888173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26157972043 + ... + 26157972046.

Almost surely, 2^104631888178 is an apocalyptic number.

104631888178 is a deficient number, since it is larger than the sum of its proper divisors (52315944092).

104631888178 is an equidigital number, since it uses as much as digits as its factorization.

104631888178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52315944091.

The product of its (nonzero) digits is 2064384, while the sum is 55.

The spelling of 104631888178 in words is "one hundred four billion, six hundred thirty-one million, eight hundred eighty-eight thousand, one hundred seventy-eight".