85010767690 has 8 divisors (see below), whose sum is σ = 153019381860. Its totient is φ = 34004307072.

The previous prime is 85010767679. The next prime is 85010767691. The reversal of 85010767690 is 9676701058.

It can be written as a sum of positive squares in 2 ways, for example, as 77057873649 + 7952894041 = 277593^2 + 89179^2 .

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

It is a super-2 number, since 2×85010767690² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85010767691) 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 in 3 ways as a sum of consecutive naturals, for example, 4250538375 + ... + 4250538394.

Almost surely, 2^85010767690 is an apocalyptic number.

85010767690 is a deficient number, since it is larger than the sum of its proper divisors (68008614170).

85010767690 is a wasteful number, since it uses less digits than its factorization.

85010767690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501076776.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 85010767690 in words is "eighty-five billion, ten million, seven hundred sixty-seven thousand, six hundred ninety".