9506890327978 has 16 divisors (see below), whose sum is σ = 14313195434880. Its totient is φ = 4735825768800.

The previous prime is 9506890327943. The next prime is 9506890327993. The reversal of 9506890327978 is 8797230986059.

It is a self number, because there is not a number n which added to its sum of digits gives 9506890327978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45494758 + ... + 45703246.

It is an arithmetic number, because the mean of its divisors is an integer number (894574714680).

Almost surely, 2^{9506890327978} is an apocalyptic number.

9506890327978 is a deficient number, since it is larger than the sum of its proper divisors (4806305106902).

9506890327978 is a wasteful number, since it uses less digits than its factorization.

9506890327978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292893.

The product of its (nonzero) digits is 411505920, while the sum is 73.

The spelling of 9506890327978 in words is "nine trillion, five hundred six billion, eight hundred ninety million, three hundred twenty-seven thousand, nine hundred seventy-eight".