9475542978 has 32 divisors (see below), whose sum is σ = 20935618560. Its totient is φ = 2835028560.

The previous prime is 9475542961. The next prime is 9475543003. The reversal of 9475542978 is 8792455749.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903450 + ... + 913877.

It is an arithmetic number, because the mean of its divisors is an integer number (654238080).

Almost surely, 2^9475542978 is an apocalyptic number.

9475542978 is an abundant number, since it is smaller than the sum of its proper divisors (11460075582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9475542978 is a wasteful number, since it uses less digits than its factorization.

9475542978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817422.

The product of its digits is 25401600, while the sum is 60.

The square root of 9475542978 is about 97342.4007203439. The cubic root of 9475542978 is about 2116.0927630463.

The spelling of 9475542978 in words is "nine billion, four hundred seventy-five million, five hundred forty-two thousand, nine hundred seventy-eight".