87627384797 has 4 divisors (see below), whose sum is σ = 88530759996. Its totient is φ = 86724009600.

The previous prime is 87627384791. The next prime is 87627384809. The reversal of 87627384797 is 79748372678.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65951889721 + 21675495076 = 256811^2 + 147226^2 .

It is a cyclic number.

It is not a de Polignac number, because 87627384797 - 2⁴ = 87627384781 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 (87627384791) 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, 451687454 + ... + 451687647.

It is an arithmetic number, because the mean of its divisors is an integer number (22132689999).

Almost surely, 2^87627384797 is an apocalyptic number.

It is an amenable number.

87627384797 is a deficient number, since it is larger than the sum of its proper divisors (903375199).

87627384797 is an equidigital number, since it uses as much as digits as its factorization.

87627384797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903375198.

The product of its digits is 199148544, while the sum is 68.

The spelling of 87627384797 in words is "eighty-seven billion, six hundred twenty-seven million, three hundred eighty-four thousand, seven hundred ninety-seven".