109699755 has 16 divisors (see below), whose sum is σ = 191476224. Its totient is φ = 53187680.

The previous prime is 109699747. The next prime is 109699769. The reversal of 109699755 is 557996901.

It is a happy number.

It is not a de Polignac number, because 109699755 - 2³ = 109699747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109699698 and 109699707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332259 + ... + 332588.

It is an arithmetic number, because the mean of its divisors is an integer number (11967264).

Almost surely, 2^109699755 is an apocalyptic number.

109699755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109699755 is a deficient number, since it is larger than the sum of its proper divisors (81776469).

109699755 is a wasteful number, since it uses less digits than its factorization.

109699755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664866.

The product of its (nonzero) digits is 765450, while the sum is 51.

The square root of 109699755 is about 10473.7650823379. The cubic root of 109699755 is about 478.7056491216.

The spelling of 109699755 in words is "one hundred nine million, six hundred ninety-nine thousand, seven hundred fifty-five".