697636047 has 8 divisors (see below), whose sum is σ = 930400000. Its totient is φ = 464981400.

The previous prime is 697636039. The next prime is 697636067. The reversal of 697636047 is 740636796.

697636047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 697636047 - 2³ = 697636039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697635987 and 697636005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697636067) 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, 11047 + ... + 38952.

It is an arithmetic number, because the mean of its divisors is an integer number (116300000).

Almost surely, 2^697636047 is an apocalyptic number.

697636047 is a deficient number, since it is larger than the sum of its proper divisors (232763953).

697636047 is a wasteful number, since it uses less digits than its factorization.

697636047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54653.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The square root of 697636047 is about 26412.8008170281. The cubic root of 697636047 is about 886.9033681437.

The spelling of 697636047 in words is "six hundred ninety-seven million, six hundred thirty-six thousand, forty-seven".