90468843864 has 48 divisors (see below), whose sum is σ = 263098171800. Its totient is φ = 25848240768.

The previous prime is 90468843851. The next prime is 90468843889. The reversal of 90468843864 is 46834886409.

It is a super-4 number, since 4×90468843864⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 90468843798 and 90468843807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38463469 + ... + 38465820.

Almost surely, 2^90468843864 is an apocalyptic number.

It is an amenable number.

90468843864 is an abundant number, since it is smaller than the sum of its proper divisors (172629327936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90468843864 is a wasteful number, since it uses less digits than its factorization.

90468843864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76929312 (or 76929301 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 90468843864 in words is "ninety billion, four hundred sixty-eight million, eight hundred forty-three thousand, eight hundred sixty-four".