697160770690 has 16 divisors (see below), whose sum is σ = 1254959733240. Its totient is φ = 278848675840.

The previous prime is 697160770643. The next prime is 697160770693. The reversal of 697160770690 is 96077061796.

It can be written as a sum of positive squares in 4 ways, for example, as 273699524569 + 423461246121 = 523163^2 + 650739^2 .

It is a super-2 number, since 2×697160770690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (697160770693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765885 + ... + 2124304.

Almost surely, 2^697160770690 is an apocalyptic number.

697160770690 is a deficient number, since it is larger than the sum of its proper divisors (557798962550).

697160770690 is a wasteful number, since it uses less digits than its factorization.

697160770690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908117.

The product of its (nonzero) digits is 6001128, while the sum is 58.

The spelling of 697160770690 in words is "six hundred ninety-seven billion, one hundred sixty million, seven hundred seventy thousand, six hundred ninety".