697386083940 has 1344 divisors, whose sum is σ = 2924469273600. Its totient is φ = 138265989120.

The previous prime is 697386083899. The next prime is 697386083969. The reversal of 697386083940 is 49380683796.

697386083940 is a `hidden beast` number, since 6 + 97 + 386 + 0 + 83 + 94 + 0 = 666.

697386083940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 1105207425 + ... + 1105208055.

It is an arithmetic number, because the mean of its divisors is an integer number (2175944400).

Almost surely, 2^697386083940 is an apocalyptic number.

697386083940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697386083940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462234636800).

697386083940 is an abundant number, since it is smaller than the sum of its proper divisors (2227083189660).

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

697386083940 is a wasteful number, since it uses less digits than its factorization.

697386083940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 697386083940 in words is "six hundred ninety-seven billion, three hundred eighty-six million, eighty-three thousand, nine hundred forty".