697860047 has 8 divisors (see below), whose sum is σ = 744731136. Its totient is φ = 651635712.

The previous prime is 697860019. The next prime is 697860067. The reversal of 697860047 is 740068796.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697860047 - 2¹⁶ = 697794511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697859983 and 697860010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697860017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159458 + ... + 163775.

It is an arithmetic number, because the mean of its divisors is an integer number (93091392).

Almost surely, 2^697860047 is an apocalyptic number.

697860047 is a deficient number, since it is larger than the sum of its proper divisors (46871089).

697860047 is a wasteful number, since it uses less digits than its factorization.

697860047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323377.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 697860047 is about 26417.0408448789. The cubic root of 697860047 is about 886.9982815761.

The spelling of 697860047 in words is "six hundred ninety-seven million, eight hundred sixty thousand, forty-seven".