873765538 has 8 divisors (see below), whose sum is σ = 1367633088. Its totient is φ = 417887844.

The previous prime is 873765533. The next prime is 873765551. The reversal of 873765538 is 835567378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (873765533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9497406 + ... + 9497497.

It is an arithmetic number, because the mean of its divisors is an integer number (170954136).

Almost surely, 2^873765538 is an apocalyptic number.

873765538 is a deficient number, since it is larger than the sum of its proper divisors (493867550).

873765538 is a wasteful number, since it uses less digits than its factorization.

873765538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994928.

The product of its digits is 4233600, while the sum is 52.

The square root of 873765538 is about 29559.5253344840. The cubic root of 873765538 is about 956.0155814352.

The spelling of 873765538 in words is "eight hundred seventy-three million, seven hundred sixty-five thousand, five hundred thirty-eight".