896661807 has 4 divisors (see below), whose sum is σ = 1195549080. Its totient is φ = 597774536.

The previous prime is 896661793. The next prime is 896661809. The reversal of 896661807 is 708166698.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 896661807 - 2⁷ = 896661679 is a prime.

It is a super-2 number, since 2×896661807² = 1608004792265010498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 896661807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896661809) 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 3 ways as a sum of consecutive naturals, for example, 149443632 + ... + 149443637.

It is an arithmetic number, because the mean of its divisors is an integer number (298887270).

Almost surely, 2^896661807 is an apocalyptic number.

896661807 is a deficient number, since it is larger than the sum of its proper divisors (298887273).

896661807 is a wasteful number, since it uses less digits than its factorization.

896661807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298887272.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 896661807 is about 29944.3117636722. The cubic root of 896661807 is about 964.2942057398.

The spelling of 896661807 in words is "eight hundred ninety-six million, six hundred sixty-one thousand, eight hundred seven".