87969399337 has 4 divisors (see below), whose sum is σ = 88130221456. Its totient is φ = 87808577220.

The previous prime is 87969399319. The next prime is 87969399341. The reversal of 87969399337 is 73399396978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87969399337 - 2⁷ = 87969399209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87969399337.

It is not an unprimeable number, because it can be changed into a prime (87969399347) 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, 80410239 + ... + 80411332.

It is an arithmetic number, because the mean of its divisors is an integer number (22032555364).

Almost surely, 2^87969399337 is an apocalyptic number.

It is an amenable number.

87969399337 is a deficient number, since it is larger than the sum of its proper divisors (160822119).

87969399337 is a wasteful number, since it uses less digits than its factorization.

87969399337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160822118.

The product of its digits is 416649744, while the sum is 73.

The spelling of 87969399337 in words is "eighty-seven billion, nine hundred sixty-nine million, three hundred ninety-nine thousand, three hundred thirty-seven".