108857801 has 6 divisors (see below), whose sum is σ = 117875790. Its totient is φ = 100483968.

The previous prime is 108857789. The next prime is 108857803. The reversal of 108857801 is 108758801.

It can be written as a sum of positive squares in 3 ways, for example, as 198025 + 108659776 = 445^2 + 10424^2 .

It is not a de Polignac number, because 108857801 - 2¹⁰ = 108856777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108857803) 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, 321896 + ... + 322233.

It is an arithmetic number, because the mean of its divisors is an integer number (19645965).

Almost surely, 2^108857801 is an apocalyptic number.

It is an amenable number.

108857801 is a deficient number, since it is larger than the sum of its proper divisors (9017989).

108857801 is an equidigital number, since it uses as much as digits as its factorization.

108857801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644155 (or 644142 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 108857801 is about 10433.4941893883. The cubic root of 108857801 is about 477.4778016599.

The spelling of 108857801 in words is "one hundred eight million, eight hundred fifty-seven thousand, eight hundred one".