85100649938 has 8 divisors (see below), whose sum is σ = 127655330940. Its totient is φ = 42548872960.

The previous prime is 85100649929. The next prime is 85100649947. The reversal of 85100649938 is 83994600158.

It is an interprime number because it is at equal distance from previous prime (85100649929) and next prime (85100649947).

It can be written as a sum of positive squares in 2 ways, for example, as 70152408769 + 14948241169 = 264863^2 + 122263^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 85100649938.

It is an unprimeable number.

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, 651203 + ... + 770886.

Almost surely, 2^85100649938 is an apocalyptic number.

85100649938 is a deficient number, since it is larger than the sum of its proper divisors (42554681002).

85100649938 is a wasteful number, since it uses less digits than its factorization.

85100649938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452012.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 85100649938 in words is "eighty-five billion, one hundred million, six hundred forty-nine thousand, nine hundred thirty-eight".