107639806 has 4 divisors (see below), whose sum is σ = 161459712. Its totient is φ = 53819902.

The previous prime is 107639797. The next prime is 107639813. The reversal of 107639806 is 608936701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608936701 = 6967 ⋅87403.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26909950 + ... + 26909953.

It is an arithmetic number, because the mean of its divisors is an integer number (40364928).

Almost surely, 2^107639806 is an apocalyptic number.

107639806 is a deficient number, since it is larger than the sum of its proper divisors (53819906).

107639806 is an equidigital number, since it uses as much as digits as its factorization.

107639806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53819905.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 107639806 is about 10374.9605300454. The cubic root of 107639806 is about 475.6903071091.

The spelling of 107639806 in words is "one hundred seven million, six hundred thirty-nine thousand, eight hundred six".