104547220891 has 8 divisors (see below), whose sum is σ = 110702078784. Its totient is φ = 98392920960.

The previous prime is 104547220879. The next prime is 104547220919. The reversal of 104547220891 is 198022745401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104547220891 - 2¹⁷ = 104547089819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104547220691) 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, 282846 + ... + 537676.

It is an arithmetic number, because the mean of its divisors is an integer number (13837759848).

Almost surely, 2^104547220891 is an apocalyptic number.

104547220891 is a deficient number, since it is larger than the sum of its proper divisors (6154857893).

104547220891 is a wasteful number, since it uses less digits than its factorization.

104547220891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278981.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 104547220891 in words is "one hundred four billion, five hundred forty-seven million, two hundred twenty thousand, eight hundred ninety-one".