107870639 has 2 divisors, whose sum is σ = 107870640. Its totient is φ = 107870638.

The previous prime is 107870611. The next prime is 107870647. The reversal of 107870639 is 936078701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107870639 - 2¹² = 107866543 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 107870596 and 107870605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107870339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53935319 + 53935320.

It is an arithmetic number, because the mean of its divisors is an integer number (53935320).

Almost surely, 2^107870639 is an apocalyptic number.

107870639 is a deficient number, since it is larger than the sum of its proper divisors (1).

107870639 is an equidigital number, since it uses as much as digits as its factorization.

107870639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 107870639 is about 10386.0790965600. The cubic root of 107870639 is about 476.0301027852.

It can be divided in two parts, 1078 and 70639, that added together give a palindrome (71717).

The spelling of 107870639 in words is "one hundred seven million, eight hundred seventy thousand, six hundred thirty-nine".