697672823 has 8 divisors (see below), whose sum is σ = 730912896. Its totient is φ = 664675000.

The previous prime is 697672819. The next prime is 697672847. The reversal of 697672823 is 328276796.

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 697672823 - 2² = 697672819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697672883) 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, 54653 + ... + 66198.

It is an arithmetic number, because the mean of its divisors is an integer number (91364112).

Almost surely, 2^697672823 is an apocalyptic number.

697672823 is a deficient number, since it is larger than the sum of its proper divisors (33240073).

697672823 is a wasteful number, since it uses less digits than its factorization.

697672823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121125.

The product of its digits is 1524096, while the sum is 50.

The square root of 697672823 is about 26413.4969854429. The cubic root of 697672823 is about 886.9189522893.

The spelling of 697672823 in words is "six hundred ninety-seven million, six hundred seventy-two thousand, eight hundred twenty-three".