873746091 has 6 divisors (see below), whose sum is σ = 1262077700. Its totient is φ = 582497388.

The previous prime is 873746089. The next prime is 873746101. The reversal of 873746091 is 190647378.

873746091 is a `hidden beast` number, since 8 + 7 + 37 + 4 + 609 + 1 = 666.

It is not a de Polignac number, because 873746091 - 2¹ = 873746089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873746021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48541441 + ... + 48541458.

Almost surely, 2^873746091 is an apocalyptic number.

873746091 is a deficient number, since it is larger than the sum of its proper divisors (388331609).

873746091 is a wasteful number, since it uses less digits than its factorization.

873746091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97082905 (or 97082902 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 873746091 is about 29559.1963862349. The cubic root of 873746091 is about 956.0084888487.

The spelling of 873746091 in words is "eight hundred seventy-three million, seven hundred forty-six thousand, ninety-one".