946135978 has 8 divisors (see below), whose sum is σ = 1420714980. Its totient is φ = 472564320.

The previous prime is 946135919. The next prime is 946136021. The reversal of 946135978 is 879531649.

It is a happy number.

946135978 is digitally balanced in base 2, 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 2 ways, for example, as 898980289 + 47155689 = 29983^2 + 6867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249483 + ... + 253246.

Almost surely, 2^946135978 is an apocalyptic number.

946135978 is a deficient number, since it is larger than the sum of its proper divisors (474579002).

946135978 is a wasteful number, since it uses less digits than its factorization.

946135978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503672.

The product of its digits is 1632960, while the sum is 52.

The square root of 946135978 is about 30759.3234320913. The cubic root of 946135978 is about 981.7129482335.

The spelling of 946135978 in words is "nine hundred forty-six million, one hundred thirty-five thousand, nine hundred seventy-eight".