90722311803 has 12 divisors (see below), whose sum is σ = 131045987800. Its totient is φ = 60480318816.

The previous prime is 90722311787. The next prime is 90722311819. The reversal of 90722311803 is 30811322709.

It is an interprime number because it is at equal distance from previous prime (90722311787) and next prime (90722311819).

It is not a de Polignac number, because 90722311803 - 2⁴ = 90722311787 is a prime.

It is a super-2 number, since 2×90722311803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90722311853) 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 11 ways as a sum of consecutive naturals, for example, 702300 + ... + 821382.

Almost surely, 2^90722311803 is an apocalyptic number.

90722311803 is a deficient number, since it is larger than the sum of its proper divisors (40323675997).

90722311803 is a wasteful number, since it uses less digits than its factorization.

90722311803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203738 (or 203735 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 90722311803 in words is "ninety billion, seven hundred twenty-two million, three hundred eleven thousand, eight hundred three".