85070384807 has 4 divisors (see below), whose sum is σ = 85080316440. Its totient is φ = 85060453176.

The previous prime is 85070384803. The next prime is 85070384813. The reversal of 85070384807 is 70848307058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85070384807 - 2² = 85070384803 is a prime.

It is a super-2 number, since 2×85070384807² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85070384803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952957 + ... + 4970102.

It is an arithmetic number, because the mean of its divisors is an integer number (21270079110).

Almost surely, 2^85070384807 is an apocalyptic number.

85070384807 is a deficient number, since it is larger than the sum of its proper divisors (9931633).

85070384807 is an equidigital number, since it uses as much as digits as its factorization.

85070384807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931632.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 85070384807 in words is "eighty-five billion, seventy million, three hundred eighty-four thousand, eight hundred seven".