9457889855 has 8 divisors (see below), whose sum is σ = 11504940432. Its totient is φ = 7462663488.

The previous prime is 9457889849. The next prime is 9457889873. The reversal of 9457889855 is 5589887549.

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

It is a cyclic number.

It is not a de Polignac number, because 9457889855 - 2²⁸ = 9189454399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12955649 + ... + 12956378.

It is an arithmetic number, because the mean of its divisors is an integer number (1438117554).

Almost surely, 2^9457889855 is an apocalyptic number.

9457889855 is a deficient number, since it is larger than the sum of its proper divisors (2047050577).

9457889855 is a wasteful number, since it uses less digits than its factorization.

9457889855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25912105.

The product of its digits is 145152000, while the sum is 68.

The square root of 9457889855 is about 97251.6830445623. The cubic root of 9457889855 is about 2114.7778386473. Note that the first 3 decimals are identical.

The spelling of 9457889855 in words is "nine billion, four hundred fifty-seven million, eight hundred eighty-nine thousand, eight hundred fifty-five".