918313087870 has 16 divisors (see below), whose sum is σ = 1653553741968. Its totient is φ = 367194083200.

The previous prime is 918313087847. The next prime is 918313087871. The reversal of 918313087870 is 78780313819.

It is a happy number.

It is a super-2 number, since 2×918313087870² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918313087871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16364584 + ... + 16420603.

It is an arithmetic number, because the mean of its divisors is an integer number (103347108873).

Almost surely, 2^918313087870 is an apocalyptic number.

918313087870 is a deficient number, since it is larger than the sum of its proper divisors (735240654098).

918313087870 is a wasteful number, since it uses less digits than its factorization.

918313087870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32787995.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 918313087870 in words is "nine hundred eighteen billion, three hundred thirteen million, eighty-seven thousand, eight hundred seventy".