87397840363 has 24 divisors (see below), whose sum is σ = 93137839200. Its totient is φ = 81956361600.

The previous prime is 87397840331. The next prime is 87397840379. The reversal of 87397840363 is 36304879378.

It is a happy number.

It is not a de Polignac number, because 87397840363 - 2⁵ = 87397840331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87397840298 and 87397840307.

It is not an unprimeable number, because it can be changed into a prime (87397840303) 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 23 ways as a sum of consecutive naturals, for example, 5863306 + ... + 5878192.

It is an arithmetic number, because the mean of its divisors is an integer number (3880743300).

Almost surely, 2^87397840363 is an apocalyptic number.

87397840363 is a deficient number, since it is larger than the sum of its proper divisors (5739998837).

87397840363 is a wasteful number, since it uses less digits than its factorization.

87397840363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139 (or 15108 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 87397840363 in words is "eighty-seven billion, three hundred ninety-seven million, eight hundred forty thousand, three hundred sixty-three".