697861134 has 12 divisors (see below), whose sum is σ = 1512032496. Its totient is φ = 232620372.

The previous prime is 697861121. The next prime is 697861139. The reversal of 697861134 is 431168796.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 697861134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697861139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19385014 + ... + 19385049.

It is an arithmetic number, because the mean of its divisors is an integer number (126002708).

Almost surely, 2^697861134 is an apocalyptic number.

697861134 is an abundant number, since it is smaller than the sum of its proper divisors (814171362).

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

697861134 is a wasteful number, since it uses less digits than its factorization.

697861134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38770071 (or 38770068 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 697861134 is about 26417.0614187120. The cubic root of 697861134 is about 886.9987421110.

The spelling of 697861134 in words is "six hundred ninety-seven million, eight hundred sixty-one thousand, one hundred thirty-four".