28211673950 has 24 divisors (see below), whose sum is σ = 52619913360. Its totient is φ = 11253228800.

The previous prime is 28211673949. The next prime is 28211673967. The reversal of 28211673950 is 5937611282.

It is a super-2 number, since 2×28211673950² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 767891 + ... + 803790.

It is an arithmetic number, because the mean of its divisors is an integer number (2192496390).

Almost surely, 2^28211673950 is an apocalyptic number.

28211673950 is a deficient number, since it is larger than the sum of its proper divisors (24408239410).

28211673950 is a wasteful number, since it uses less digits than its factorization.

28211673950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572052 (or 1572047 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 28211673950 in words is "twenty-eight billion, two hundred eleven million, six hundred seventy-three thousand, nine hundred fifty".