107729885 has 4 divisors (see below), whose sum is σ = 129275868. Its totient is φ = 86183904.

The previous prime is 107729827. The next prime is 107729899. The reversal of 107729885 is 588927701.

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 79459396 + 28270489 = 8914^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 107729885 - 2⁶ = 107729821 is a prime.

It is a super-2 number, since 2×107729885² = 23211456244226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10772984 + ... + 10772993.

It is an arithmetic number, because the mean of its divisors is an integer number (32318967).

Almost surely, 2^107729885 is an apocalyptic number.

It is an amenable number.

107729885 is a deficient number, since it is larger than the sum of its proper divisors (21545983).

107729885 is an equidigital number, since it uses as much as digits as its factorization.

107729885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21545982.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 107729885 is about 10379.3007953330. The cubic root of 107729885 is about 475.8229648477.

The spelling of 107729885 in words is "one hundred seven million, seven hundred twenty-nine thousand, eight hundred eighty-five".