896977907687 has 4 divisors (see below), whose sum is σ = 902480839800. Its totient is φ = 891474975576.

The previous prime is 896977907671. The next prime is 896977907689. The reversal of 896977907687 is 786709779698.

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 896977907687 - 2⁴ = 896977907671 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 (896977907689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751465812 + ... + 2751466137.

It is an arithmetic number, because the mean of its divisors is an integer number (225620209950).

Almost surely, 2^896977907687 is an apocalyptic number.

896977907687 is a deficient number, since it is larger than the sum of its proper divisors (5502932113).

896977907687 is a wasteful number, since it uses less digits than its factorization.

896977907687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502932112.

The product of its (nonzero) digits is 4032758016, while the sum is 83.

The spelling of 896977907687 in words is "eight hundred ninety-six billion, nine hundred seventy-seven million, nine hundred seven thousand, six hundred eighty-seven".