87969399336 has 192 divisors, whose sum is σ = 299216736000. Its totient is φ = 23200636032.

The previous prime is 87969399319. The next prime is 87969399341. The reversal of 87969399336 is 63399396978.

It is a happy number.

It is a super-3 number, since 3×87969399336³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184045 + ... + 458051.

It is an arithmetic number, because the mean of its divisors is an integer number (1558420500).

Almost surely, 2^87969399336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87969399336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149608368000).

87969399336 is an abundant number, since it is smaller than the sum of its proper divisors (211247336664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87969399336 is a wasteful number, since it uses less digits than its factorization.

87969399336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274053 (or 274032 counting only the distinct ones).

The product of its digits is 357128352, while the sum is 72.

The spelling of 87969399336 in words is "eighty-seven billion, nine hundred sixty-nine million, three hundred ninety-nine thousand, three hundred thirty-six".