918011378 has 8 divisors (see below), whose sum is σ = 1379661660. Its totient is φ = 458124160.

The previous prime is 918011371. The next prime is 918011449. The reversal of 918011378 is 873110819.

It can be written as a sum of positive squares in 2 ways, for example, as 723771409 + 194239969 = 26903^2 + 13937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (918011371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439463 + ... + 441546.

Almost surely, 2^918011378 is an apocalyptic number.

918011378 is a deficient number, since it is larger than the sum of its proper divisors (461650282).

918011378 is a wasteful number, since it uses less digits than its factorization.

918011378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881532.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 918011378 is about 30298.7025794835. The cubic root of 918011378 is about 971.8875556502.

The spelling of 918011378 in words is "nine hundred eighteen million, eleven thousand, three hundred seventy-eight".