70685805811 has 8 divisors (see below), whose sum is σ = 74417778000. Its totient is φ = 66955000320.

The previous prime is 70685805737. The next prime is 70685805821. The reversal of 70685805811 is 11850858607.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70685805811 - 2⁷ = 70685805683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70685805821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165910 + ... + 410971.

It is an arithmetic number, because the mean of its divisors is an integer number (9302222250).

Almost surely, 2^70685805811 is an apocalyptic number.

70685805811 is a deficient number, since it is larger than the sum of its proper divisors (3731972189).

70685805811 is a wasteful number, since it uses less digits than its factorization.

70685805811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583349.

The product of its (nonzero) digits is 537600, while the sum is 49.

The spelling of 70685805811 in words is "seventy billion, six hundred eighty-five million, eight hundred five thousand, eight hundred eleven".