106899977 has 4 divisors (see below), whose sum is σ = 107098116. Its totient is φ = 106701840.

The previous prime is 106899941. The next prime is 106899983. The reversal of 106899977 is 779998601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 61795321 = 6716^2 + 7861^2 .

It is a cyclic number.

It is not a de Polignac number, because 106899977 - 2⁶ = 106899913 is a prime.

It is a super-2 number, since 2×106899977² = 22855210165201058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106899937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98258 + ... + 99339.

It is an arithmetic number, because the mean of its divisors is an integer number (26774529).

Almost surely, 2^106899977 is an apocalyptic number.

It is an amenable number.

106899977 is a deficient number, since it is larger than the sum of its proper divisors (198139).

106899977 is an equidigital number, since it uses as much as digits as its factorization.

106899977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198138.

The product of its (nonzero) digits is 1714608, while the sum is 56.

The square root of 106899977 is about 10339.2445081834. The cubic root of 106899977 is about 474.5979637862.

The spelling of 106899977 in words is "one hundred six million, eight hundred ninety-nine thousand, nine hundred seventy-seven".