697377136 has 10 divisors (see below), whose sum is σ = 1351168232. Its totient is φ = 348688560.

The previous prime is 697377133. The next prime is 697377151. The reversal of 697377136 is 631773796.

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 697377136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697377133) 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 as a sum of consecutive naturals, namely, 21793020 + ... + 21793051.

Almost surely, 2^697377136 is an apocalyptic number.

It is an amenable number.

697377136 is a deficient number, since it is larger than the sum of its proper divisors (653791096).

697377136 is a wasteful number, since it uses less digits than its factorization.

697377136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43586079 (or 43586073 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 49.

The square root of 697377136 is about 26407.8991212857. The cubic root of 697377136 is about 886.7936368820.

The spelling of 697377136 in words is "six hundred ninety-seven million, three hundred seventy-seven thousand, one hundred thirty-six".