8455109959 has 4 divisors (see below), whose sum is σ = 8461979680. Its totient is φ = 8448240240.

The previous prime is 8455109951. The next prime is 8455109977. The reversal of 8455109959 is 9599015548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8455109959 - 2³ = 8455109951 is a prime.

It is a super-3 number, since 3×8455109959³ (a number of 31 digits) contains 333 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 (8455109951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433014 + ... + 3435475.

It is an arithmetic number, because the mean of its divisors is an integer number (2115494920).

Almost surely, 2^8455109959 is an apocalyptic number.

8455109959 is a deficient number, since it is larger than the sum of its proper divisors (6869721).

8455109959 is a wasteful number, since it uses less digits than its factorization.

8455109959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869720.

The product of its (nonzero) digits is 2916000, while the sum is 55.

The square root of 8455109959 is about 91951.6718662581. The cubic root of 8455109959 is about 2037.2285477451.

The spelling of 8455109959 in words is "eight billion, four hundred fifty-five million, one hundred nine thousand, nine hundred fifty-nine".