19880873 has 2 divisors, whose sum is σ = 19880874. Its totient is φ = 19880872.

The previous prime is 19880867. The next prime is 19880879. The reversal of 19880873 is 37808891.

It is a balanced prime because it is at equal distance from previous prime (19880867) and next prime (19880879).

It can be written as a sum of positive squares in only one way, i.e., 14645929 + 5234944 = 3827^2 + 2288^2 .

It is a cyclic number.

It is not a de Polignac number, because 19880873 - 2⁴ = 19880857 is a prime.

It is a super-2 number, since 2×19880873² = 790498222484258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19880879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9940436 + 9940437.

It is an arithmetic number, because the mean of its divisors is an integer number (9940437).

Almost surely, 2^19880873 is an apocalyptic number.

It is an amenable number.

19880873 is a deficient number, since it is larger than the sum of its proper divisors (1).

19880873 is an equidigital number, since it uses as much as digits as its factorization.

19880873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 19880873 is about 4458.7972593514. The cubic root of 19880873 is about 270.9017540323.

The spelling of 19880873 in words is "nineteen million, eight hundred eighty thousand, eight hundred seventy-three".