316400001778 has 16 divisors (see below), whose sum is σ = 542418485760. Its totient is φ = 135595380096.

The previous prime is 316400001773. The next prime is 316400001779. The reversal of 316400001778 is 877100004613.

It is a super-2 number, since 2×316400001778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316400001773) 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, 58050 + ... + 797602.

It is an arithmetic number, because the mean of its divisors is an integer number (33901155360).

Almost surely, 2^316400001778 is an apocalyptic number.

316400001778 is a deficient number, since it is larger than the sum of its proper divisors (226018483982).

316400001778 is a wasteful number, since it uses less digits than its factorization.

316400001778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770121.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 316400001778 in words is "three hundred sixteen billion, four hundred million, one thousand, seven hundred seventy-eight".