8455485890 has 8 divisors (see below), whose sum is σ = 15219874620. Its totient is φ = 3382194352.

The previous prime is 8455485889. The next prime is 8455485937. The reversal of 8455485890 is 985845548.

It can be written as a sum of positive squares in 2 ways, for example, as 7820395489 + 635090401 = 88433^2 + 25201^2 .

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

It is a super-3 number, since 3×8455485890³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422774285 + ... + 422774304.

Almost surely, 2^8455485890 is an apocalyptic number.

8455485890 is a deficient number, since it is larger than the sum of its proper divisors (6764388730).

8455485890 is a wasteful number, since it uses less digits than its factorization.

8455485890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845548596.

The product of its (nonzero) digits is 9216000, while the sum is 56.

The square root of 8455485890 is about 91953.7160206155. The cubic root of 8455485890 is about 2037.2587403749.

The spelling of 8455485890 in words is "eight billion, four hundred fifty-five million, four hundred eighty-five thousand, eight hundred ninety".