104779442986 has 4 divisors (see below), whose sum is σ = 157169164482. Its totient is φ = 52389721492.

The previous prime is 104779442983. The next prime is 104779442987. The reversal of 104779442986 is 689244977401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83102475625 + 21676967361 = 288275^2 + 147231^2 .

It is not an unprimeable number, because it can be changed into a prime (104779442983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26194860745 + ... + 26194860748.

Almost surely, 2^104779442986 is an apocalyptic number.

104779442986 is a deficient number, since it is larger than the sum of its proper divisors (52389721496).

104779442986 is an equidigital number, since it uses as much as digits as its factorization.

104779442986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52389721495.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 104779442986 in words is "one hundred four billion, seven hundred seventy-nine million, four hundred forty-two thousand, nine hundred eighty-six".