697380616 has 8 divisors (see below), whose sum is σ = 1307588670. Its totient is φ = 348690304.

The previous prime is 697380611. The next prime is 697380623. The reversal of 697380616 is 616083796.

It can be written as a sum of positive squares in only one way, i.e., 592727716 + 104652900 = 24346^2 + 10230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (697380611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43586281 + ... + 43586296.

Almost surely, 2^697380616 is an apocalyptic number.

It is an amenable number.

697380616 is a deficient number, since it is larger than the sum of its proper divisors (610208054).

697380616 is a wasteful number, since it uses less digits than its factorization.

697380616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87172583 (or 87172579 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 697380616 is about 26407.9650105797. The cubic root of 697380616 is about 886.7951119503.

The spelling of 697380616 in words is "six hundred ninety-seven million, three hundred eighty thousand, six hundred sixteen".