104021628279 has 32 divisors (see below), whose sum is σ = 147763699200. Its totient is φ = 64905845760.

The previous prime is 104021628223. The next prime is 104021628313. The reversal of 104021628279 is 972826120401.

It is not a de Polignac number, because 104021628279 - 2⁹ = 104021627767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104021628279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104021628079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977187 + ... + 2029115.

It is an arithmetic number, because the mean of its divisors is an integer number (4617615600).

Almost surely, 2^104021628279 is an apocalyptic number.

104021628279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

104021628279 is a deficient number, since it is larger than the sum of its proper divisors (43742070921).

104021628279 is a wasteful number, since it uses less digits than its factorization.

104021628279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52375.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 104021628279 in words is "one hundred four billion, twenty-one million, six hundred twenty-eight thousand, two hundred seventy-nine".