987296692789 has 32 divisors (see below), whose sum is σ = 1157131468800. Its totient is φ = 832927717440.

The previous prime is 987296692787. The next prime is 987296692813.

987296692789 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 987296692789 - 2¹ = 987296692787 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 (987296692787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861479 + ... + 2332315.

It is an arithmetic number, because the mean of its divisors is an integer number (36160358400).

Almost surely, 2^987296692789 is an apocalyptic number.

It is an amenable number.

987296692789 is a deficient number, since it is larger than the sum of its proper divisors (169834776011).

987296692789 is a wasteful number, since it uses less digits than its factorization.

987296692789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471073.

The product of its digits is 2962842624, while the sum is 82.

The spelling of 987296692789 in words is "nine hundred eighty-seven billion, two hundred ninety-six million, six hundred ninety-two thousand, seven hundred eighty-nine".