697859982 has 16 divisors (see below), whose sum is σ = 1550800080. Its totient is φ = 232619976.

The previous prime is 697859977. The next prime is 697859989. The reversal of 697859982 is 289958796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697859989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6461613 + ... + 6461720.

It is an arithmetic number, because the mean of its divisors is an integer number (96925005).

Almost surely, 2^697859982 is an apocalyptic number.

697859982 is an abundant number, since it is smaller than the sum of its proper divisors (852940098).

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

697859982 is a wasteful number, since it uses less digits than its factorization.

697859982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923344 (or 12923338 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 697859982 is about 26417.0396146124. The cubic root of 697859982 is about 886.9982540372.

The spelling of 697859982 in words is "six hundred ninety-seven million, eight hundred fifty-nine thousand, nine hundred eighty-two".