108770890 has 8 divisors (see below), whose sum is σ = 195787620. Its totient is φ = 43508352.

The previous prime is 108770873. The next prime is 108770891. The reversal of 108770890 is 98077801.

It can be written as a sum of positive squares in 2 ways, for example, as 88906041 + 19864849 = 9429^2 + 4457^2 .

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

It is a super-2 number, since 2×108770890² = 23662213022784200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108770891) 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, 5438535 + ... + 5438554.

Almost surely, 2^108770890 is an apocalyptic number.

108770890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108770890 is a deficient number, since it is larger than the sum of its proper divisors (87016730).

108770890 is a wasteful number, since it uses less digits than its factorization.

108770890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877096.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 108770890 is about 10429.3283580488. The cubic root of 108770890 is about 477.3506966304.

The spelling of 108770890 in words is "one hundred eight million, seven hundred seventy thousand, eight hundred ninety".