9550720478 has 32 divisors (see below), whose sum is σ = 15503951232. Its totient is φ = 4386412800.

The previous prime is 9550720477. The next prime is 9550720483. The reversal of 9550720478 is 8740270559.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9550720471) 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, 5548658 + ... + 5550378.

It is an arithmetic number, because the mean of its divisors is an integer number (484498476).

Almost surely, 2^9550720478 is an apocalyptic number.

9550720478 is a deficient number, since it is larger than the sum of its proper divisors (5953230754).

9550720478 is a wasteful number, since it uses less digits than its factorization.

9550720478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 9550720478 is about 97727.7876450705. The cubic root of 9550720478 is about 2121.6742794648.

The spelling of 9550720478 in words is "nine billion, five hundred fifty million, seven hundred twenty thousand, four hundred seventy-eight".