90850718071 has 8 divisors (see below), whose sum is σ = 92968092800. Its totient is φ = 88733551032.

The previous prime is 90850718059. The next prime is 90850718099. The reversal of 90850718071 is 17081705809.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90850718071 is a prime.

It is a super-2 number, since 2×90850718071² (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 (90850718471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157356 + ... + 1233358.

It is an arithmetic number, because the mean of its divisors is an integer number (11621011600).

Almost surely, 2^90850718071 is an apocalyptic number.

90850718071 is a deficient number, since it is larger than the sum of its proper divisors (2117374729).

90850718071 is a wasteful number, since it uses less digits than its factorization.

90850718071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103845.

The product of its (nonzero) digits is 141120, while the sum is 46.

The spelling of 90850718071 in words is "ninety billion, eight hundred fifty million, seven hundred eighteen thousand, seventy-one".