9885045554 has 4 divisors (see below), whose sum is σ = 14827568334. Its totient is φ = 4942522776.

The previous prime is 9885045551. The next prime is 9885045557. The reversal of 9885045554 is 4555405889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4555405889 = 34589 ⋅131701.

It is an interprime number because it is at equal distance from previous prime (9885045551) and next prime (9885045557).

It can be written as a sum of positive squares in only one way, i.e., 9540014929 + 345030625 = 97673^2 + 18575^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9885045496 and 9885045505.

It is not an unprimeable number, because it can be changed into a prime (9885045551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471261387 + ... + 2471261390.

Almost surely, 2^9885045554 is an apocalyptic number.

9885045554 is a deficient number, since it is larger than the sum of its proper divisors (4942522780).

9885045554 is a wasteful number, since it uses less digits than its factorization.

9885045554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942522779.

The product of its (nonzero) digits is 5760000, while the sum is 53.

The square root of 9885045554 is about 99423.5663914748. The cubic root of 9885045554 is about 2146.1474584306.

The spelling of 9885045554 in words is "nine billion, eight hundred eighty-five million, forty-five thousand, five hundred fifty-four".