9534229978 has 36 divisors (see below), whose sum is σ = 18014441310. Its totient is φ = 3771776736.

The previous prime is 9534229973. The next prime is 9534229987. The reversal of 9534229978 is 8799224359.

9534229978 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1429369249 + 8104860729 = 37807^2 + 90027^2 .

It is not an unprimeable number, because it can be changed into a prime (9534229973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 271273 + ... + 304396.

Almost surely, 2^9534229978 is an apocalyptic number.

9534229978 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

9534229978 is a deficient number, since it is larger than the sum of its proper divisors (8480211332).

9534229978 is a wasteful number, since it uses less digits than its factorization.

9534229978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575711 (or 575691 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 9534229978 is about 97643.3816395151. The cubic root of 9534229978 is about 2120.4524649830.

The spelling of 9534229978 in words is "nine billion, five hundred thirty-four million, two hundred twenty-nine thousand, nine hundred seventy-eight".