84688510706 has 8 divisors (see below), whose sum is σ = 128290516524. Its totient is φ = 41925005200.

The previous prime is 84688510691. The next prime is 84688510721. The reversal of 84688510706 is 60701588648.

It is an interprime number because it is at equal distance from previous prime (84688510691) and next prime (84688510721).

It can be written as a sum of positive squares in 2 ways, for example, as 79219168681 + 5469342025 = 281459^2 + 73955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 209624825 + ... + 209625228.

Almost surely, 2^84688510706 is an apocalyptic number.

84688510706 is a deficient number, since it is larger than the sum of its proper divisors (43602005818).

84688510706 is a wasteful number, since it uses less digits than its factorization.

84688510706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419250156.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 84688510706 in words is "eighty-four billion, six hundred eighty-eight million, five hundred ten thousand, seven hundred six".