811773050 has 48 divisors (see below), whose sum is σ = 1653858432. Its totient is φ = 293990400.

The previous prime is 811773047. The next prime is 811773091. The reversal of 811773050 is 50377118.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 811772998 and 811773016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138479 + ... + 144221.

It is an arithmetic number, because the mean of its divisors is an integer number (34455384).

Almost surely, 2^811773050 is an apocalyptic number.

811773050 is an abundant number, since it is smaller than the sum of its proper divisors (842085382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811773050 is a wasteful number, since it uses less digits than its factorization.

811773050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 811773050 is about 28491.6312274324. The cubic root of 811773050 is about 932.8494139627.

The spelling of 811773050 in words is "eight hundred eleven million, seven hundred seventy-three thousand, fifty".