9047778490 has 32 divisors (see below), whose sum is σ = 16539441984. Its totient is φ = 3562859520.

The previous prime is 9047778419. The next prime is 9047778491. The reversal of 9047778490 is 948777409.

It is not an unprimeable number, because it can be changed into a prime (9047778491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424602 + ... + 1430938.

It is an arithmetic number, because the mean of its divisors is an integer number (516857562).

Almost surely, 2^9047778490 is an apocalyptic number.

9047778490 is a deficient number, since it is larger than the sum of its proper divisors (7491663494).

9047778490 is a wasteful number, since it uses less digits than its factorization.

9047778490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 9047778490 is about 95119.8112382484. The cubic root of 9047778490 is about 2083.7581902734.

The spelling of 9047778490 in words is "nine billion, forty-seven million, seven hundred seventy-eight thousand, four hundred ninety".