208070253085 has 16 divisors (see below), whose sum is σ = 256042854144. Its totient is φ = 162233894592.

The previous prime is 208070253073. The next prime is 208070253121. The reversal of 208070253085 is 580352070802.

It is a cyclic number.

It is not a de Polignac number, because 208070253085 - 2⁹ = 208070252573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945562 + ... + 1144651.

It is an arithmetic number, because the mean of its divisors is an integer number (16002678384).

Almost surely, 2^208070253085 is an apocalyptic number.

It is an amenable number.

208070253085 is a deficient number, since it is larger than the sum of its proper divisors (47972601059).

208070253085 is a wasteful number, since it uses less digits than its factorization.

208070253085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090724.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 208070253085 in words is "two hundred eight billion, seventy million, two hundred fifty-three thousand, eighty-five".