918077830738 has 4 divisors (see below), whose sum is σ = 1377116746110. Its totient is φ = 459038915368.

The previous prime is 918077830727. The next prime is 918077830771. The reversal of 918077830738 is 837038770819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 473926226929 + 444151603809 = 688423^2 + 666447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229519457683 + ... + 229519457686.

Almost surely, 2^918077830738 is an apocalyptic number.

918077830738 is a deficient number, since it is larger than the sum of its proper divisors (459038915372).

918077830738 is a wasteful number, since it uses less digits than its factorization.

918077830738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459038915371.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 918077830738 in words is "nine hundred eighteen billion, seventy-seven million, eight hundred thirty thousand, seven hundred thirty-eight".