918868970 has 8 divisors (see below), whose sum is σ = 1653964164. Its totient is φ = 367547584.

The previous prime is 918868969. The next prime is 918868981. The reversal of 918868970 is 79868819.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 864301201 + 54567769 = 29399^2 + 7387^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45943439 + ... + 45943458.

Almost surely, 2^918868970 is an apocalyptic number.

918868970 is a deficient number, since it is larger than the sum of its proper divisors (735095194).

918868970 is a wasteful number, since it uses less digits than its factorization.

918868970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91886904.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 918868970 is about 30312.8515649716. The cubic root of 918868970 is about 972.1901022217.

The spelling of 918868970 in words is "nine hundred eighteen million, eight hundred sixty-eight thousand, nine hundred seventy".