880916819890 has 16 divisors (see below), whose sum is σ = 1585676198808. Its totient is φ = 352360967296.

The previous prime is 880916819833. The next prime is 880916819891. The reversal of 880916819890 is 98918619088.

It can be written as a sum of positive squares in 4 ways, for example, as 701273931241 + 179642888649 = 837421^2 + 423843^2 .

It is a super-2 number, since 2×880916819890² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (880916819891) 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, 47947 + ... + 1328206.

Almost surely, 2^880916819890 is an apocalyptic number.

880916819890 is a deficient number, since it is larger than the sum of its proper divisors (704759378918).

880916819890 is a wasteful number, since it uses less digits than its factorization.

880916819890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440173.

The product of its (nonzero) digits is 17915904, while the sum is 67.

The spelling of 880916819890 in words is "eight hundred eighty billion, nine hundred sixteen million, eight hundred nineteen thousand, eight hundred ninety".