697285365920 has 384 divisors, whose sum is σ = 2084670701568. Its totient is φ = 216650649600.

The previous prime is 697285365779. The next prime is 697285365929. The reversal of 697285365920 is 29563582796.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (697285365929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16292069 + ... + 16334811.

It is an arithmetic number, because the mean of its divisors is an integer number (5428829952).

Almost surely, 2^697285365920 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 697285365920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042335350784).

697285365920 is an abundant number, since it is smaller than the sum of its proper divisors (1387385335648).

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

697285365920 is a wasteful number, since it uses less digits than its factorization.

697285365920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42836 (or 42828 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 697285365920 in words is "six hundred ninety-seven billion, two hundred eighty-five million, three hundred sixty-five thousand, nine hundred twenty".