694977840320 has 224 divisors, whose sum is σ = 1796933818368. Its totient is φ = 255329964032.

The previous prime is 694977840317. The next prime is 694977840383. The reversal of 694977840320 is 23048779496.

It is a self number, because there is not a number n which added to its sum of digits gives 694977840320.

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 31 ways as a sum of consecutive naturals, for example, 18314807 + ... + 18352713.

Almost surely, 2^694977840320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694977840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898466909184).

694977840320 is an abundant number, since it is smaller than the sum of its proper divisors (1101955978048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694977840320 is a wasteful number, since it uses less digits than its factorization.

694977840320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38047 (or 38037 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 694977840320 in words is "six hundred ninety-four billion, nine hundred seventy-seven million, eight hundred forty thousand, three hundred twenty".