697077706752 has 234 divisors, whose sum is σ = 2342280569148. Its totient is φ = 199164542976.

The previous prime is 697077706621. The next prime is 697077706753. The reversal of 697077706752 is 257607770796.

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

It is a self number, because there is not a number n which added to its sum of digits gives 697077706752.

It is not an unprimeable number, because it can be changed into a prime (697077706753) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1613383 + ... + 1999289.

It is an arithmetic number, because the mean of its divisors is an integer number (10009746022).

Almost surely, 2^697077706752 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 697077706752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171140284574).

697077706752 is an abundant number, since it is smaller than the sum of its proper divisors (1645202862396).

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

697077706752 is a wasteful number, since it uses less digits than its factorization.

697077706752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385951 (or 385919 counting only the distinct ones).

The product of its (nonzero) digits is 54454680, while the sum is 63.

The spelling of 697077706752 in words is "six hundred ninety-seven billion, seventy-seven million, seven hundred six thousand, seven hundred fifty-two".